OpenCores
URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [or1ksim/] [doc/] [mdate-sh] - Blame information for rev 497

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 80 jeremybenn
#!/bin/sh
2
# Get modification time of a file or directory and pretty-print it.
3
 
4 82 jeremybenn
scriptversion=2009-04-28.21; # UTC
5 80 jeremybenn
 
6 82 jeremybenn
# Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005, 2007, 2009 Free
7
# Software Foundation, Inc.
8 80 jeremybenn
# written by Ulrich Drepper , June 1995
9
#
10
# This program is free software; you can redistribute it and/or modify
11
# it under the terms of the GNU General Public License as published by
12
# the Free Software Foundation; either version 2, or (at your option)
13
# any later version.
14
#
15
# This program is distributed in the hope that it will be useful,
16
# but WITHOUT ANY WARRANTY; without even the implied warranty of
17
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
# GNU General Public License for more details.
19
#
20
# You should have received a copy of the GNU General Public License
21 82 jeremybenn
# along with this program.  If not, see .
22 80 jeremybenn
 
23
# As a special exception to the GNU General Public License, if you
24
# distribute this file as part of a program that contains a
25
# configuration script generated by Autoconf, you may include it under
26
# the same distribution terms that you use for the rest of that program.
27
 
28
# This file is maintained in Automake, please report
29
# bugs to  or send patches to
30
# .
31
 
32
case $1 in
33
  '')
34
     echo "$0: No file.  Try \`$0 --help' for more information." 1>&2
35
     exit 1;
36
     ;;
37
  -h | --h*)
38
    cat <<\EOF
39
Usage: mdate-sh [--help] [--version] FILE
40
 
41
Pretty-print the modification time of FILE.
42
 
43
Report bugs to .
44
EOF
45
    exit $?
46
    ;;
47
  -v | --v*)
48
    echo "mdate-sh $scriptversion"
49
    exit $?
50
    ;;
51
esac
52
 
53
# Prevent date giving response in another language.
54
LANG=C
55
export LANG
56
LC_ALL=C
57
export LC_ALL
58
LC_TIME=C
59
export LC_TIME
60
 
61
# GNU ls changes its time format in response to the TIME_STYLE
62
# variable.  Since we cannot assume `unset' works, revert this
63
# variable to its documented default.
64
if test "${TIME_STYLE+set}" = set; then
65
  TIME_STYLE=posix-long-iso
66
  export TIME_STYLE
67
fi
68
 
69
save_arg1=$1
70
 
71
# Find out how to get the extended ls output of a file or directory.
72
if ls -L /dev/null 1>/dev/null 2>&1; then
73
  ls_command='ls -L -l -d'
74
else
75
  ls_command='ls -l -d'
76
fi
77
# Avoid user/group names that might have spaces, when possible.
78
if ls -n /dev/null 1>/dev/null 2>&1; then
79
  ls_command="$ls_command -n"
80
fi
81
 
82
# A `ls -l' line looks as follows on OS/2.
83
#  drwxrwx---        0 Aug 11  2001 foo
84
# This differs from Unix, which adds ownership information.
85
#  drwxrwx---   2 root  root      4096 Aug 11  2001 foo
86
#
87
# To find the date, we split the line on spaces and iterate on words
88
# until we find a month.  This cannot work with files whose owner is a
89
# user named `Jan', or `Feb', etc.  However, it's unlikely that `/'
90
# will be owned by a user whose name is a month.  So we first look at
91
# the extended ls output of the root directory to decide how many
92
# words should be skipped to get the date.
93
 
94
# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
95
set x`$ls_command /`
96
 
97
# Find which argument is the month.
98
month=
99
command=
100
until test $month
101
do
102
  shift
103
  # Add another shift to the command.
104
  command="$command shift;"
105
  case $1 in
106
    Jan) month=January; nummonth=1;;
107
    Feb) month=February; nummonth=2;;
108
    Mar) month=March; nummonth=3;;
109
    Apr) month=April; nummonth=4;;
110
    May) month=May; nummonth=5;;
111
    Jun) month=June; nummonth=6;;
112
    Jul) month=July; nummonth=7;;
113
    Aug) month=August; nummonth=8;;
114
    Sep) month=September; nummonth=9;;
115
    Oct) month=October; nummonth=10;;
116
    Nov) month=November; nummonth=11;;
117
    Dec) month=December; nummonth=12;;
118
  esac
119
done
120
 
121
# Get the extended ls output of the file or directory.
122
set dummy x`eval "$ls_command \"\$save_arg1\""`
123
 
124
# Remove all preceding arguments
125
eval $command
126
 
127
# Because of the dummy argument above, month is in $2.
128
#
129
# On a POSIX system, we should have
130
#
131
# $# = 5
132
# $1 = file size
133
# $2 = month
134
# $3 = day
135
# $4 = year or time
136
# $5 = filename
137
#
138
# On Darwin 7.7.0 and 7.6.0, we have
139
#
140
# $# = 4
141
# $1 = day
142
# $2 = month
143
# $3 = year or time
144
# $4 = filename
145
 
146
# Get the month.
147
case $2 in
148
  Jan) month=January; nummonth=1;;
149
  Feb) month=February; nummonth=2;;
150
  Mar) month=March; nummonth=3;;
151
  Apr) month=April; nummonth=4;;
152
  May) month=May; nummonth=5;;
153
  Jun) month=June; nummonth=6;;
154
  Jul) month=July; nummonth=7;;
155
  Aug) month=August; nummonth=8;;
156
  Sep) month=September; nummonth=9;;
157
  Oct) month=October; nummonth=10;;
158
  Nov) month=November; nummonth=11;;
159
  Dec) month=December; nummonth=12;;
160
esac
161
 
162
case $3 in
163
  ???*) day=$1;;
164
  *) day=$3; shift;;
165
esac
166
 
167
# Here we have to deal with the problem that the ls output gives either
168
# the time of day or the year.
169
case $3 in
170
  *:*) set `date`; eval year=\$$#
171
       case $2 in
172
         Jan) nummonthtod=1;;
173
         Feb) nummonthtod=2;;
174
         Mar) nummonthtod=3;;
175
         Apr) nummonthtod=4;;
176
         May) nummonthtod=5;;
177
         Jun) nummonthtod=6;;
178
         Jul) nummonthtod=7;;
179
         Aug) nummonthtod=8;;
180
         Sep) nummonthtod=9;;
181
         Oct) nummonthtod=10;;
182
         Nov) nummonthtod=11;;
183
         Dec) nummonthtod=12;;
184
       esac
185
       # For the first six month of the year the time notation can also
186
       # be used for files modified in the last year.
187
       if (expr $nummonth \> $nummonthtod) > /dev/null;
188
       then
189
         year=`expr $year - 1`
190
       fi;;
191
  *) year=$3;;
192
esac
193
 
194
# The result.
195
echo $day $month $year
196
 
197
# Local Variables:
198
# mode: shell-script
199
# sh-indentation: 2
200
# eval: (add-hook 'write-file-hooks 'time-stamp)
201
# time-stamp-start: "scriptversion="
202
# time-stamp-format: "%:y-%02m-%02d.%02H"
203 82 jeremybenn
# time-stamp-time-zone: "UTC"
204
# time-stamp-end: "; # UTC"
205 80 jeremybenn
# End:

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.