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578 |
markom |
#!../expect --
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# Name: virterm - terminal emulator using Expect, v1.0, December, 1994
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# Author: Adrian Mariano
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#
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# Derived from Done Libes' tkterm
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# This is a program for interacting with applications that use terminal
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# control sequences. It is a subset of Don Libes' tkterm emulator
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# with a compatible interface so that programs can be written to work
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# under both.
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#
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# Internally, it uses arrays instead of the Tk widget. Nonetheless, this
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# code is not as fast as it should be. I need an Expect profiler to go
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# any further.
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#
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# standout mode is not supported like it is in tkterm.
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# the only terminal widget operation that is supported for the user
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# is the "get" operation.
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###############################################
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# Variables that must be initialized before using this:
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#############################################
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set rows 24 ;# number of rows in term
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set cols 80 ;# number of columns in term
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set term myterm ;# name of text widget used by term
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set termcap 1 ;# if your applications use termcap
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set terminfo 0 ;# if your applications use terminfo
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;# (you can use both, but note that
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;# starting terminfo is slow)
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set term_shell $env(SHELL) ;# program to run in term
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#############################################
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# Readable variables of interest
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#############################################
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# cur_row ;# current row where insert marker is
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# cur_col ;# current col where insert marker is
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# term_spawn_id ;# spawn id of term
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#############################################
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# Procs you may want to initialize before using this:
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#############################################
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# term_exit is called if the associated proc exits
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proc term_exit {} {
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exit
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}
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# term_chars_changed is called after every change to the displayed chars
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# You can use if you want matches to occur in the background (a la bind)
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# If you want to test synchronously, then just do so - you don't need to
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# redefine this procedure.
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proc term_chars_changed {} {
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}
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# term_cursor_changed is called after the cursor is moved
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proc term_cursor_changed {} {
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}
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# Example tests you can make
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#
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# Test if cursor is at some specific location
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# if {$cur_row == 1 && $cur_col == 0} ...
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#
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# Test if "foo" exists anywhere in line 4
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# if {[string match *foo* [$term get 4.0 4.end]]}
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#
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# Test if "foo" exists at line 4 col 7
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# if {[string match foo* [$term get 4.7 4.end]]}
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#
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# Return contents of screen
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# $term get 1.0 end
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#############################################
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# End of things of interest
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#############################################
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set blankline ""
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set env(LINES) $rows
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set env(COLUMNS) $cols
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set env(TERM) "tt"
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if $termcap {
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set env(TERMCAP) {tt:
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:cm=\E[%d;%dH:
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:up=\E[A:
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:cl=\E[H\E[J:
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:do=^J:
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:so=\E[7m:
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:se=\E[m:
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:nd=\E[C:
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}
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}
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if $terminfo {
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set env(TERMINFO) /tmp
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set ttsrc "/tmp/tt.src"
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set file [open $ttsrc w]
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puts $file {tt|textterm|Don Libes' tk text widget terminal emulator,
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cup=\E[%p1%d;%p2%dH,
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cuu1=\E[A,
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cuf1=\E[C,
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clear=\E[H\E[J,
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ind=\n,
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cr=\r,
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smso=\E[7m,
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rmso=\E[m,
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}
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close $file
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set oldpath $env(PATH)
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set env(PATH) "/usr/5bin:/usr/lib/terminfo"
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if 1==[catch {exec tic $ttsrc} msg] {
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puts "WARNING: puts "tic failed - if you don't have terminfo support on"
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puts "your system, change \"set terminfo 1\" to \"set terminfo 0\"."
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puts "Here is the original error from running tic:"
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puts $msg
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}
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set env(PATH) $oldpath
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exec rm $ttsrc
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}
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log_user 0
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# start a shell and text widget for its output
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set stty_init "-tabs"
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eval spawn $term_shell
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stty rows $rows columns $cols < $spawn_out(slave,name)
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set term_spawn_id $spawn_id
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proc term_replace {reprow repcol text} {
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global termdata
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set middle $termdata($reprow)
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set termdata($reprow) \
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[string range $middle 0 [expr $repcol-1]]$text[string \
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range $middle [expr $repcol+[string length $text]] end]
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}
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proc parseloc {input row col} {
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upvar $row r $col c
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global rows
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switch -glob -- $input \
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end { set r $rows; set c end } \
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*.* { regexp (.*)\\.(.*) $input dummy r c
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if {$r == "end"} { set r $rows }
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}
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}
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proc myterm {command first second args} {
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global termdata
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if {[string compare get $command]} {
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send_error "Unknown terminal command: $command\r"
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} else {
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parseloc $first startrow startcol
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parseloc $second endrow endcol
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if {$endcol != "end"} {incr endcol -1}
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if {$startrow == $endrow} {
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set data [string range $termdata($startrow) $startcol $endcol]
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} else {
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set data [string range $termdata($startrow) $startcol end]
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for {set i [expr $startrow + 1]} {$i < $endrow} {incr i} {
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append data $termdata($i)
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}
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append data [string range $termdata($endrow) 0 $endcol]
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}
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return $data
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}
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}
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proc scrollup {} {
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global termdata blankline
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for {set i 1} {$i < $rows} {incr i} {
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set termdata($i) $termdata([expr $i+1])
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}
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set termdata($rows) $blankline
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}
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proc term_init {} {
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global rows cols cur_row cur_col term termdata blankline
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# initialize it with blanks to make insertions later more easily
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set blankline [format %*s $cols ""]\n
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for {set i 1} {$i <= $rows} {incr i} {
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set termdata($i) "$blankline"
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}
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set cur_row 1
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set cur_col 0
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}
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proc term_down {} {
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global cur_row rows cols term
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if {$cur_row < $rows} {
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incr cur_row
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} else {
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scrollup
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}
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}
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proc term_insert {s} {
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global cols cur_col cur_row term
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set chars_rem_to_write [string length $s]
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set space_rem_on_line [expr $cols - $cur_col]
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##################
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# write first line
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##################
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if {$chars_rem_to_write <= $space_rem_on_line} {
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term_replace $cur_row $cur_col \
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[string range $s 0 [expr $space_rem_on_line-1]]
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incr cur_col $chars_rem_to_write
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term_chars_changed
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return
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}
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set chars_to_write $space_rem_on_line
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set newline 1
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term_replace $cur_row $cur_col\
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[string range $s 0 [expr $space_rem_on_line-1]]
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# discard first line already written
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incr chars_rem_to_write -$chars_to_write
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set s [string range $s $chars_to_write end]
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# update cur_col
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incr cur_col $chars_to_write
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# update cur_row
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if $newline {
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term_down
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}
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##################
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# write full lines
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##################
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while {$chars_rem_to_write >= $cols} {
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term_replace $cur_row 0 [string range $s 0 [expr $cols-1]]
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# discard line from buffer
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set s [string range $s $cols end]
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incr chars_rem_to_write -$cols
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set cur_col 0
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term_down
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}
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#################
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# write last line
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#################
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if {$chars_rem_to_write} {
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term_replace $cur_row 0 $s
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set cur_col $chars_rem_to_write
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}
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term_chars_changed
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}
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term_init
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expect_before {
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-i $term_spawn_id
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-re "^\[^\x01-\x1f]+" {
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# Text
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term_insert $expect_out(0,string)
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term_cursor_changed
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} "^\r" {
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# (cr,) Go to to beginning of line
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set cur_col 0
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term_cursor_changed
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} "^\n" {
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# (ind,do) Move cursor down one line
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term_down
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term_cursor_changed
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} "^\b" {
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# Backspace nondestructively
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incr cur_col -1
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term_cursor_changed
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} "^\a" {
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# Bell, pass back to user
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send_user "\a"
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} "^\t" {
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# Tab, shouldn't happen
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send_error "got a tab!?"
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} eof {
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| 295 |
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term_exit
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| 296 |
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} "^\x1b\\\[A" {
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| 297 |
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# (cuu1,up) Move cursor up one line
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| 298 |
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incr cur_row -1
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term_cursor_changed
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} "^\x1b\\\[C" {
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# (cuf1,nd) Nondestructive space
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incr cur_col
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term_cursor_changed
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} -re "^\x1b\\\[(\[0-9]*);(\[0-9]*)H" {
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# (cup,cm) Move to row y col x
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set cur_row [expr $expect_out(1,string)+1]
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| 307 |
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set cur_col $expect_out(2,string)
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| 308 |
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term_cursor_changed
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| 309 |
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} "^\x1b\\\[H\x1b\\\[J" {
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| 310 |
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# (clear,cl) Clear screen
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| 311 |
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term_init
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| 312 |
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term_cursor_changed
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} "^\x1b\\\[7m" { # unsupported
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| 314 |
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# (smso,so) Begin standout mode
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| 315 |
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# set term_standout 1
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| 316 |
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} "^\x1b\\\[m" { # unsupported
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| 317 |
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# (rmso,se) End standout mode
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| 318 |
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# set term_standout 0
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| 319 |
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}
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| 320 |
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}
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| 321 |
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| 322 |
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| 323 |
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proc term_expect {args} {
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| 324 |
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global cur_row cur_col # used by expect_background actions
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| 325 |
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| 326 |
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set desired_timeout [
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| 327 |
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uplevel {
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| 328 |
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if [info exists timeout] {
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| 329 |
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set timeout
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| 330 |
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} else {
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| 331 |
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uplevel #0 {
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| 332 |
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if {[info exists timeout]} {
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| 333 |
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set timeout
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| 334 |
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} else {
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| 335 |
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expr 10
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| 336 |
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}
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| 337 |
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}
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| 338 |
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}
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| 339 |
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}
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| 340 |
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]
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| 341 |
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| 342 |
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set timeout $desired_timeout
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| 343 |
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| 344 |
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set timeout_act {}
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| 345 |
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| 346 |
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set argc [llength $args]
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| 347 |
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if {$argc%2 == 1} {
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| 348 |
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lappend args {}
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| 349 |
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incr argc
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| 350 |
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}
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| 351 |
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| 352 |
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for {set i 0} {$i<$argc} {incr i 2} {
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| 353 |
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set act_index [expr $i+1]
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| 354 |
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if {[string compare timeout [lindex $args $i]] == 0} {
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| 355 |
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set timeout_act [lindex $args $act_index]
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| 356 |
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set args [lreplace $args $i $act_index]
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| 357 |
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incr argc -2
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| 358 |
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break
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| 359 |
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}
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| 360 |
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}
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| 361 |
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| 362 |
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set got_timeout 0
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| 363 |
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| 364 |
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set start_time [timestamp]
|
| 365 |
|
|
|
| 366 |
|
|
while {![info exists act]} {
|
| 367 |
|
|
expect timeout {set got_timeout 1}
|
| 368 |
|
|
set timeout [expr $desired_timeout - [timestamp] + $start_time]
|
| 369 |
|
|
if {! $got_timeout} \
|
| 370 |
|
|
{
|
| 371 |
|
|
for {set i 0} {$i<$argc} {incr i 2} {
|
| 372 |
|
|
if {[uplevel [lindex $args $i]]} {
|
| 373 |
|
|
set act [lindex $args [incr i]]
|
| 374 |
|
|
break
|
| 375 |
|
|
}
|
| 376 |
|
|
}
|
| 377 |
|
|
} else { set act $timeout_act }
|
| 378 |
|
|
|
| 379 |
|
|
if {![info exists act]} {
|
| 380 |
|
|
|
| 381 |
|
|
}
|
| 382 |
|
|
}
|
| 383 |
|
|
|
| 384 |
|
|
set code [catch {uplevel $act} string]
|
| 385 |
|
|
if {$code > 4} {return -code $code $string}
|
| 386 |
|
|
if {$code == 4} {return -code continue}
|
| 387 |
|
|
if {$code == 3} {return -code break}
|
| 388 |
|
|
if {$code == 2} {return -code return}
|
| 389 |
|
|
if {$code == 1} {return -code error -errorinfo $errorInfo \
|
| 390 |
|
|
-errorcode $errorCode $string}
|
| 391 |
|
|
return $string
|
| 392 |
|
|
}
|
| 393 |
|
|
|
| 394 |
|
|
|
| 395 |
|
|
# ======= end of terminal emulator ========
|
| 396 |
|
|
|
| 397 |
|
|
# The following is a program to interact with the Cornell Library catalog
|
| 398 |
|
|
|
| 399 |
|
|
|
| 400 |
|
|
proc waitfornext {} {
|
| 401 |
|
|
global cur_row cur_col term
|
| 402 |
|
|
term_expect {expr {$cur_col==15 && $cur_row == 24 &&
|
| 403 |
|
|
" NEXT COMMAND: " == [$term get 24.0 24.16]}} {}
|
| 404 |
|
|
}
|
| 405 |
|
|
|
| 406 |
|
|
proc sendcommand {command} {
|
| 407 |
|
|
global cur_col
|
| 408 |
|
|
exp_send $command
|
| 409 |
|
|
term_expect {expr {$cur_col == 79}} {}
|
| 410 |
|
|
}
|
| 411 |
|
|
|
| 412 |
|
|
proc removespaces {intext} {
|
| 413 |
|
|
regsub -all " *\n" $intext \n intext
|
| 414 |
|
|
regsub "\n+$" $intext \n intext
|
| 415 |
|
|
return $intext
|
| 416 |
|
|
}
|
| 417 |
|
|
|
| 418 |
|
|
proc output {text} {
|
| 419 |
|
|
exp_send_user $text
|
| 420 |
|
|
}
|
| 421 |
|
|
|
| 422 |
|
|
|
| 423 |
|
|
|
| 424 |
|
|
proc connect {} {
|
| 425 |
|
|
global term
|
| 426 |
|
|
term_expect {regexp {.*[>%]} [$term get 1.0 3.end]}
|
| 427 |
|
|
exp_send "tn3270 notis.library.cornell.edu\r"
|
| 428 |
|
|
term_expect {regexp "desk" [$term get 19.0 19.end]} {
|
| 429 |
|
|
exp_send "\r"
|
| 430 |
|
|
}
|
| 431 |
|
|
waitfornext
|
| 432 |
|
|
exp_send_error "connected.\n\n"
|
| 433 |
|
|
}
|
| 434 |
|
|
|
| 435 |
|
|
|
| 436 |
|
|
proc dosearch {search} {
|
| 437 |
|
|
global term
|
| 438 |
|
|
exp_send_error "Searching for '$search'..."
|
| 439 |
|
|
if [string match ?=* "$search"] {set typ ""} else {set typ "k="}
|
| 440 |
|
|
sendcommand "$typ$search\r"
|
| 441 |
|
|
waitfornext
|
| 442 |
|
|
set countstr [$term get 2.17 2.35]
|
| 443 |
|
|
if {![regsub { Entries Found *} $countstr "" number]} {
|
| 444 |
|
|
set number 1
|
| 445 |
|
|
exp_send_error "one entry found.\n\n"
|
| 446 |
|
|
return 1
|
| 447 |
|
|
}
|
| 448 |
|
|
if {$number == 0} {
|
| 449 |
|
|
exp_send_error "no matches.\n\n"
|
| 450 |
|
|
return 0
|
| 451 |
|
|
}
|
| 452 |
|
|
exp_send_error "$number entries found.\n"
|
| 453 |
|
|
if {$number > 250} {
|
| 454 |
|
|
exp_send_error "(only the first 250 can be displayed)\n"
|
| 455 |
|
|
}
|
| 456 |
|
|
exp_send_error "\n"
|
| 457 |
|
|
return $number
|
| 458 |
|
|
}
|
| 459 |
|
|
|
| 460 |
|
|
|
| 461 |
|
|
proc getshort {count} {
|
| 462 |
|
|
global term
|
| 463 |
|
|
output [removespaces [$term get 5.0 19.0]]
|
| 464 |
|
|
while {[regexp "CONTINUED on next page" [$term get 19.0 19.end]]} {
|
| 465 |
|
|
sendcommand "for\r"
|
| 466 |
|
|
waitfornext
|
| 467 |
|
|
output [removespaces [$term get 5.0 19.0]]
|
| 468 |
|
|
}
|
| 469 |
|
|
}
|
| 470 |
|
|
|
| 471 |
|
|
proc getonecitation {} {
|
| 472 |
|
|
global term
|
| 473 |
|
|
output [removespaces [$term get 4.0 19.0]]
|
| 474 |
|
|
while {[regexp "FORward page" [$term get 20.0 20.end]]} {
|
| 475 |
|
|
sendcommand "for\r"
|
| 476 |
|
|
waitfornext
|
| 477 |
|
|
output [removespaces [$term get 5.0 19.0]]
|
| 478 |
|
|
}
|
| 479 |
|
|
}
|
| 480 |
|
|
|
| 481 |
|
|
|
| 482 |
|
|
proc getcitlist {} {
|
| 483 |
|
|
global term
|
| 484 |
|
|
getonecitation
|
| 485 |
|
|
set citcount 1
|
| 486 |
|
|
while {[regexp "NEXt record" [$term get 20.0 21.end]]} {
|
| 487 |
|
|
sendcommand "nex\r"
|
| 488 |
|
|
waitfornext
|
| 489 |
|
|
getonecitation
|
| 490 |
|
|
incr citcount
|
| 491 |
|
|
if {$citcount % 10 == 0} {exp_send_error "$citcount.."}
|
| 492 |
|
|
}
|
| 493 |
|
|
}
|
| 494 |
|
|
|
| 495 |
|
|
proc getlong {count} {
|
| 496 |
|
|
if {$count != 1} {
|
| 497 |
|
|
sendcommand "1\r"
|
| 498 |
|
|
waitfornext
|
| 499 |
|
|
}
|
| 500 |
|
|
sendcommand "lon\r"
|
| 501 |
|
|
waitfornext
|
| 502 |
|
|
getcitlist
|
| 503 |
|
|
}
|
| 504 |
|
|
|
| 505 |
|
|
proc getmed {count} {
|
| 506 |
|
|
if {$count != 1} {
|
| 507 |
|
|
sendcommand "1\r"
|
| 508 |
|
|
waitfornext
|
| 509 |
|
|
}
|
| 510 |
|
|
sendcommand "bri\r"
|
| 511 |
|
|
waitfornext
|
| 512 |
|
|
getcitlist
|
| 513 |
|
|
}
|
| 514 |
|
|
|
| 515 |
|
|
#################################################################
|
| 516 |
|
|
#
|
| 517 |
|
|
set help {
|
| 518 |
|
|
libsearch version 1.0 by Adrian Mariano (adrian@cam.cornell.edu)
|
| 519 |
|
|
|
| 520 |
|
|
Invocation: libsearch [options] search text
|
| 521 |
|
|
|
| 522 |
|
|
-i : interactive
|
| 523 |
|
|
-s : short listing
|
| 524 |
|
|
-l : long listing
|
| 525 |
|
|
-o file : output file (default stdout)
|
| 526 |
|
|
-h : print out list of options and version number
|
| 527 |
|
|
-H : print terse keyword search help
|
| 528 |
|
|
|
| 529 |
|
|
The search will be a keyword search.
|
| 530 |
|
|
Example: libsearch -i sound and arabic
|
| 531 |
|
|
|
| 532 |
|
|
}
|
| 533 |
|
|
|
| 534 |
|
|
#################################################################
|
| 535 |
|
|
|
| 536 |
|
|
proc searchhelp {} {
|
| 537 |
|
|
send_error {
|
| 538 |
|
|
? truncation wildcard default operator is AND
|
| 539 |
|
|
|
| 540 |
|
|
AND - both words appear in record
|
| 541 |
|
|
OR - one of the words appears
|
| 542 |
|
|
NOT - first word appears, second words does not
|
| 543 |
|
|
ADJ - words are adjacent
|
| 544 |
|
|
SAME- words appear in the same field (any order)
|
| 545 |
|
|
|
| 546 |
|
|
.su. - subject b.fmt. - books eng.lng. - English
|
| 547 |
|
|
.ti. - title m.fmt. - music spa.lng. - Spanish
|
| 548 |
|
|
.au. - author s.fmt. - serials fre.lng. - French
|
| 549 |
|
|
|
| 550 |
|
|
.dt. or .dt1. -- limits to a specific publication year. E.g., 1990.dt.
|
| 551 |
|
|
|
| 552 |
|
|
}
|
| 553 |
|
|
}
|
| 554 |
|
|
|
| 555 |
|
|
proc promptuser {prompt} {
|
| 556 |
|
|
exp_send_error "$prompt"
|
| 557 |
|
|
expect_user -re "(.*)\n"
|
| 558 |
|
|
return "$expect_out(1,string)"
|
| 559 |
|
|
}
|
| 560 |
|
|
|
| 561 |
|
|
|
| 562 |
|
|
set searchtype 1
|
| 563 |
|
|
set outfile ""
|
| 564 |
|
|
set search ""
|
| 565 |
|
|
set interactive 0
|
| 566 |
|
|
|
| 567 |
|
|
while {[llength $argv]>0} {
|
| 568 |
|
|
set flag [lindex $argv 0]
|
| 569 |
|
|
switch -glob -- $flag \
|
| 570 |
|
|
"-i" { set interactive 1; set argv [lrange $argv 1 end]} \
|
| 571 |
|
|
"-s" { set searchtype 0; set argv [lrange $argv 1 end] } \
|
| 572 |
|
|
"-l" { set searchtype 2; set argv [lrange $argv 1 end] } \
|
| 573 |
|
|
"-o" { set outfile [lindex $argv 1]; set argv [lrange $argv 2 end] } \
|
| 574 |
|
|
"-H" { searchhelp; exit } \
|
| 575 |
|
|
"-h" { send_error "$help"; exit } \
|
| 576 |
|
|
"-*" { send_error "\nUnknown option: $flag\n$help";exit }\
|
| 577 |
|
|
default { set search [join $argv]; set argv {};}
|
| 578 |
|
|
}
|
| 579 |
|
|
if { "$search" == "" } {
|
| 580 |
|
|
send_error "No search specified\n$help"
|
| 581 |
|
|
exit
|
| 582 |
|
|
}
|
| 583 |
|
|
|
| 584 |
|
|
exp_send_error "Connecting to the library..."
|
| 585 |
|
|
|
| 586 |
|
|
set timeout 200
|
| 587 |
|
|
|
| 588 |
|
|
trap { log_user 1;exp_send "\003";
|
| 589 |
|
|
expect_before
|
| 590 |
|
|
expect tn3270 {exp_send "quit\r"}
|
| 591 |
|
|
expect "Connection closed." {exp_send "exit\r"}
|
| 592 |
|
|
expect eof ; send_error "\n";
|
| 593 |
|
|
exit} SIGINT
|
| 594 |
|
|
|
| 595 |
|
|
|
| 596 |
|
|
connect
|
| 597 |
|
|
|
| 598 |
|
|
set result [dosearch $search]
|
| 599 |
|
|
|
| 600 |
|
|
if {$interactive} {
|
| 601 |
|
|
set quit 0
|
| 602 |
|
|
while {!$quit} {
|
| 603 |
|
|
if {!$result} {
|
| 604 |
|
|
switch "[promptuser {(h)elp (n)ewsearch (q)uit? }]" {
|
| 605 |
|
|
n { }
|
| 606 |
|
|
h { searchhelp }
|
| 607 |
|
|
q { set quit 1}
|
| 608 |
|
|
}
|
| 609 |
|
|
} else {
|
| 610 |
|
|
switch "[promptuser {(s)hort (m)ed (l)ong (h)elp (n)ewsearch (q)uit? }]" {
|
| 611 |
|
|
s { getshort $result; ;}
|
| 612 |
|
|
l { getlong $result; ;}
|
| 613 |
|
|
m { getmed $result; ; }
|
| 614 |
|
|
n { research; }
|
| 615 |
|
|
h { searchhelp }
|
| 616 |
|
|
q { set quit 1; }
|
| 617 |
|
|
}
|
| 618 |
|
|
}
|
| 619 |
|
|
}
|
| 620 |
|
|
} else {
|
| 621 |
|
|
if {$result} {
|
| 622 |
|
|
switch $searchtype {
|
| 623 |
|
|
|
| 624 |
|
|
1 { getmed $result }
|
| 625 |
|
|
2 { getlong $result }
|
| 626 |
|
|
}
|
| 627 |
|
|
}
|
| 628 |
|
|
}
|
| 629 |
|
|
|
| 630 |
|
|
|
| 631 |
|
|
|
| 632 |
|
|
|
| 633 |
|
|
|
| 634 |
|
|
|
