This commit is contained in:
Jim Meyering 2003-03-04 21:40:33 +00:00
parent ac44ebc2f7
commit b71a7bfd31

View File

@ -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.
if ls -L /dev/null 1>/dev/null 2>&1; then
set - x`ls -L -l -d $1`
else
set - x`ls -l -d $1`
fi
# The month is at least the fourth argument
# (3 shifts here, the next inside the loop).
shift
shift
shift
save_arg1="$1"
# Find the month. Next argument is day, followed by the year or time.
# Find out how to get the extended ls output of a file or directory.
if ls -L /dev/null 1>/dev/null 2>&1; then
ls_command='ls -L -l -d'
else
ls_command='ls -l -d'
fi
# A `ls -l' line looks as follows on OS/2.
# drwxrwx--- 0 Aug 11 2001 foo
# This differs from Unix, which adds ownership information.
# drwxrwx--- 2 root root 4096 Aug 11 2001 foo
#
# To find the date, we split the line on spaces and iterate on words
# until we find a month. This cannot work with files whose owner is a
# user named `Jan', or `Feb', etc. However, it's unlikely that `/'
# will be owned by a user whose name is a month. So we first look at
# the extended ls output of the root directory to decide how many
# words should be skipped to get the date.
# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
set - x`$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