diff options
Diffstat (limited to 'doc/mdate-sh')
| -rwxr-xr-x | doc/mdate-sh | 58 |
1 files changed, 47 insertions, 11 deletions
diff --git a/doc/mdate-sh b/doc/mdate-sh index c079aed..b610b47 100755 --- a/doc/mdate-sh +++ b/doc/mdate-sh @@ -1,6 +1,6 @@ #!/bin/sh # Get modification time of a file or directory and pretty-print it. -# Copyright 1995, 1996, 1997 Free Software Foundation, Inc. +# Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc. # written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995 # # This program is free software; you can redistribute it and/or modify @@ -30,24 +30,38 @@ export LC_ALL LC_TIME=C export LC_TIME -# Get the extended ls output of the file or directory. -# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below. +save_arg1="$1" + +# Find out how to get the extended ls output of a file or directory. if ls -L /dev/null 1>/dev/null 2>&1; then - set - x`ls -L -l -d $1` + ls_command='ls -L -l -d' else - set - x`ls -l -d $1` + ls_command='ls -l -d' fi -# The month is at least the fourth argument -# (3 shifts here, the next inside the loop). -shift -shift -shift -# Find the month. Next argument is day, followed by the year or time. +# A `ls -l' line looks as follows on OS/2. +# drwxrwx--- 0 Aug 11 2001 foo +# This differs from Unix, which adds ownership information. +# drwxrwx--- 2 root root 4096 Aug 11 2001 foo +# +# To find the date, we split the line on spaces and iterate on words +# until we find a month. This cannot work with files whose owner is a +# user named `Jan', or `Feb', etc. However, it's unlikely that `/' +# will be owned by a user whose name is a month. So we first look at +# the extended ls output of the root directory to decide how many +# words should be skipped to get the date. + +# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below. +set - x`$ls_command /` + +# Find which argument is the month. month= +command= until test $month do shift + # Add another shift to the command. + command="$command shift;" case $1 in Jan) month=January; nummonth=1;; Feb) month=February; nummonth=2;; @@ -64,6 +78,28 @@ do esac done +# Get the extended ls output of the file or directory. +set - x`eval "$ls_command \"\$save_arg1\""` + +# Remove all preceding arguments +eval $command + +# Get the month. Next argument is day, followed by the year or time. +case $1 in + Jan) month=January; nummonth=1;; + Feb) month=February; nummonth=2;; + Mar) month=March; nummonth=3;; + Apr) month=April; nummonth=4;; + May) month=May; nummonth=5;; + Jun) month=June; nummonth=6;; + Jul) month=July; nummonth=7;; + Aug) month=August; nummonth=8;; + Sep) month=September; nummonth=9;; + Oct) month=October; nummonth=10;; + Nov) month=November; nummonth=11;; + Dec) month=December; nummonth=12;; +esac + day=$2 # Here we have to deal with the problem that the ls output gives either |