#!/usr/bin/perl
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#!/usr/bin/perl
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#
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#
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# word-replace2,v 1.4 2002/01/17 21:47:47 joel Exp
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# word-replace2,v 1.4 2002/01/17 21:47:47 joel Exp
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#
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#
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eval "exec /usr/local/bin/perl -S $0 $*"
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eval "exec /usr/local/bin/perl -S $0 $*"
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if $running_under_some_shell;
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if $running_under_some_shell;
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require 'getopts.pl';
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require 'getopts.pl';
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&Getopts("p:vh"); # help, pattern file, verbose,
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&Getopts("p:vh"); # help, pattern file, verbose,
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if ($opt_h || ! $opt_p) {
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if ($opt_h || ! $opt_p) {
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print STDERR <
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print STDERR <
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word-replace2
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word-replace2
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Replace *words* with patterns. Pattern file specifies which patterns
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Replace *words* with patterns. Pattern file specifies which patterns
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to replace on each line. All patterns are wrapped with perl \\b regexp
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to replace on each line. All patterns are wrapped with perl \\b regexp
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specifiers.
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specifiers.
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Usage: $0 [-v] -p pattern-file files to replace
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Usage: $0 [-v] -p pattern-file files to replace
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-v -- possibly more verbose
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-v -- possibly more verbose
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-p file -- pattern file
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-p file -- pattern file
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-h -- help
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-h -- help
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anything else == this help message
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anything else == this help message
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Pattern file looks like this:
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Pattern file looks like this:
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# Example:
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# Example:
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# ignores all lines with beginning with # or not exactly 2 fields
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# ignores all lines with beginning with # or not exactly 2 fields
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_Dorky_Name rtems_dorky_name # comments, and blank lines are cool
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_Dorky_Name rtems_dorky_name # comments, and blank lines are cool
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_Dorky_Name2 rtems_dorky_name2 # comments, and blank lines are cool
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_Dorky_Name2 rtems_dorky_name2 # comments, and blank lines are cool
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NO_MORE_HELP
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NO_MORE_HELP
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exit 0;
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exit 0;
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}
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}
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$verbose = $opt_v;
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$verbose = $opt_v;
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$pattern_file = $opt_p;
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$pattern_file = $opt_p;
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# make standard outputs unbuffered (so the '.'s come out ok)
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# make standard outputs unbuffered (so the '.'s come out ok)
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$oldfh = select(STDERR); $| = 1; select($oldfh);
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$oldfh = select(STDERR); $| = 1; select($oldfh);
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$oldfh = select(STDOUT); $| = 1; select($oldfh);
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$oldfh = select(STDOUT); $| = 1; select($oldfh);
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# pull in the patterns
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# pull in the patterns
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open(PATTERNS, "<$pattern_file") ||
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open(PATTERNS, "<$pattern_file") ||
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die "could not open $pattern_file: $!, crapped out at";
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die "could not open $pattern_file: $!, crapped out at";
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foreach ()
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foreach ()
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{
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{
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chop;
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chop;
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s/#.*//;
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s/#.*//;
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next if /^$/;
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next if /^$/;
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($orig, $new, $junk, @rest) = split;
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($orig, $new, $junk, @rest) = split;
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next if ( ! $orig || ! $new || $junk); # <2 or >2 patterns
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next if ( ! $orig || ! $new || $junk); # <2 or >2 patterns
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die "pattern appears 2x: '$orig' in '$pattern_file'--" if defined($patterns{$orig});
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die "pattern appears 2x: '$orig' in '$pattern_file'--" if defined($patterns{$orig});
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$patterns{$orig} = $new;
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$patterns{$orig} = $new;
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}
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}
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close PATTERNS;
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close PATTERNS;
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# walk thru each line in each file
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# walk thru each line in each file
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$infile = '-' ;
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$infile = '-' ;
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$outfile = '-' ;
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$outfile = '-' ;
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if ( $#ARGV > -1 )
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if ( $#ARGV > -1 )
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{
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{
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$infile = "@ARGV[0]" ;
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$infile = "@ARGV[0]" ;
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shift @ARGV ;
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shift @ARGV ;
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}
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}
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if ( $#ARGV > -1 )
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if ( $#ARGV > -1 )
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{
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{
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$outfile = "@ARGV[0]" ;
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$outfile = "@ARGV[0]" ;
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shift @ARGV ;
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shift @ARGV ;
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}
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}
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open (INFILE, "<$infile") ||
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open (INFILE, "<$infile") ||
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die "could not open input file $infile: $!";
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die "could not open input file $infile: $!";
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$line = join('',) ;
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$line = join('',) ;
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close INFILE;
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close INFILE;
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print STDERR "$outfile\t";
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print STDERR "$outfile\t";
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open (OUTFILE, ">$outfile") ||
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open (OUTFILE, ">$outfile") ||
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die "could not open output file $outfile: $!";
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die "could not open output file $outfile: $!";
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foreach $key (keys %patterns)
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foreach $key (keys %patterns)
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{
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{
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if ( $line =~ s/\b$key\b/$patterns{$key}/ge )
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if ( $line =~ s/\b$key\b/$patterns{$key}/ge )
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{
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{
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print STDERR "." ;
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print STDERR "." ;
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}
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}
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}
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}
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print OUTFILE $line ;
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print OUTFILE $line ;
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print STDERR "\n";
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print STDERR "\n";
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close OUTFILE;
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close OUTFILE;
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