diff options
Diffstat (limited to 'doc/mdate-sh')
| -rwxr-xr-x | doc/mdate-sh | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/doc/mdate-sh b/doc/mdate-sh index e631b22..4614441 100755 --- a/doc/mdate-sh +++ b/doc/mdate-sh @@ -1,10 +1,9 @@ #!/bin/sh # Get modification time of a file or directory and pretty-print it. -scriptversion=2009-04-28.21; # UTC +scriptversion=2010-08-21.06; # UTC -# Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005, 2007, 2009 Free -# Software Foundation, Inc. +# Copyright (C) 1995-2012 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 @@ -29,16 +28,26 @@ scriptversion=2009-04-28.21; # UTC # bugs to <bug-automake@gnu.org> or send patches to # <automake-patches@gnu.org>. +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +fi + case $1 in '') - echo "$0: No file. Try \`$0 --help' for more information." 1>&2 + echo "$0: No file. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: mdate-sh [--help] [--version] FILE -Pretty-print the modification time of FILE. +Pretty-print the modification day of FILE, in the format: +1 January 1970 Report bugs to <bug-automake@gnu.org>. EOF @@ -50,6 +59,13 @@ EOF ;; esac +error () +{ + echo "$0: $1" >&2 + exit 1 +} + + # Prevent date giving response in another language. LANG=C export LANG @@ -59,7 +75,7 @@ LC_TIME=C export LC_TIME # GNU ls changes its time format in response to the TIME_STYLE -# variable. Since we cannot assume `unset' works, revert this +# variable. Since we cannot assume 'unset' works, revert this # variable to its documented default. if test "${TIME_STYLE+set}" = set; then TIME_STYLE=posix-long-iso @@ -79,14 +95,14 @@ if ls -n /dev/null 1>/dev/null 2>&1; then ls_command="$ls_command -n" fi -# A `ls -l' line looks as follows on OS/2. +# 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 `/' +# 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. @@ -99,6 +115,7 @@ month= command= until test $month do + test $# -gt 0 || error "failed parsing '$ls_command /' output" shift # Add another shift to the command. command="$command shift;" @@ -118,8 +135,10 @@ do esac done +test -n "$month" || error "failed parsing '$ls_command /' output" + # Get the extended ls output of the file or directory. -set dummy x`eval "$ls_command \"\$save_arg1\""` +set dummy x`eval "$ls_command \"\\\$save_arg1\""` # Remove all preceding arguments eval $command |