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Check-in Number:
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3770 | |
| Date: |
2000-Nov-29 21:03:03 (local)
2000-Nov-29 20:03:03 (UTC) |
| User: | rse |
| Branch: | |
| Comment: |
*** empty log message *** |
| Tickets: |
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| Inspections: |
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| Files: |
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ossp-pkg/shtool/sh.common -> 1.17
*** /dev/null Sat Nov 23 00:57:45 2024
--- - Sat Nov 23 00:58:00 2024
***************
*** 0 ****
--- 1,155 ----
+ ##
+ ## This file is part of shtool and free software; you can redistribute
+ ## it and/or modify it under the terms of the GNU General Public
+ ## License as published by the Free Software Foundation; either version
+ ## 2 of the License, or (at your option) any later version.
+ ##
+ ## This file is distributed in the hope that it will be useful,
+ ## but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ ## General Public License for more details.
+ ##
+ ## You should have received a copy of the GNU General Public License
+ ## along with this program; if not, write to the Free Software
+ ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ ## USA, or contact Ralf S. Engelschall <rse@engelschall.com>.
+ ##
+
+ ##
+ ## COMMON UTILITY CODE
+ ##
+
+ # determine name of tool
+ if [ ".$tool" != . ]; then
+ # used inside shtool script
+ toolcmd="$0 $tool"
+ toolcmdhelp="shtool $tool"
+ msgprefix="shtool:$tool"
+ else
+ # used as standalone script
+ toolcmd="$0"
+ toolcmdhelp="sh $0"
+ msgprefix="$str_tool"
+ fi
+
+ # parse argument specification string
+ eval `echo $arg_spec |\
+ sed -e 's/^\([0-9]*\)\([+=]\)/arg_NUMS=\1; arg_MODE=\2/'`
+
+ # parse option specification string
+ eval `echo h.$opt_spec |\
+ sed -e 's/\([a-zA-Z0-9]\)\([.:+]\)/opt_MODE_\1=\2;/g'`
+
+ # interate over argument line
+ opt_PREV=''
+ while [ $# -gt 0 ]; do
+ # special option stops processing
+ if [ ".$1" = ".--" ]; then
+ shift
+ break
+ fi
+
+ # determine option and argument
+ opt_ARG_OK=no
+ if [ ".$opt_PREV" != . ]; then
+ # merge previous seen option with argument
+ opt_OPT="$opt_PREV"
+ opt_ARG="$1"
+ opt_ARG_OK=yes
+ opt_PREV=''
+ else
+ # split argument into option and argument
+ case "$1" in
+ -[a-zA-Z0-9]*)
+ eval `echo "x$1" |\
+ sed -e 's/^x-\([a-zA-Z0-9]\)/opt_OPT="\1";/' \
+ -e 's/";\(.*\)$/"; opt_ARG="\1"/'`
+ ;;
+ -[a-zA-Z0-9])
+ opt_OPT=`echo "x$1" | cut -c3-`
+ opt_ARG=''
+ ;;
+ *)
+ break
+ ;;
+ esac
+ fi
+
+ # eat up option
+ shift
+
+ # determine whether option needs an argument
+ eval "opt_MODE=\$opt_MODE_${opt_OPT}"
+ if [ ".$opt_ARG" = . -a ".$opt_ARG_OK" != .yes ]; then
+ if [ ".$opt_MODE" = ".:" -o ".$opt_MODE" = ".+" ]; then
+ opt_PREV="$opt_OPT"
+ continue
+ fi
+ fi
+
+ # process option
+ case $opt_MODE in
+ '.' )
+ # boolean option
+ eval "opt_${opt_OPT}=yes"
+ ;;
+ ':' )
+ # option with argument (multiple occurances override)
+ eval "opt_${opt_OPT}=\"\$opt_ARG\""
+ ;;
+ '+' )
+ # option with argument (multiple occurances append)
+ eval "opt_${opt_OPT}=\"\$opt_${opt_OPT} \$opt_ARG\""
+ ;;
+ * )
+ echo "$msgprefix:Error: unknown option: \`-$opt_OPT'" 1>&2
+ echo "$msgprefix:Hint: run \`$toolcmdhelp -h' or \`man shtool' for details" 1>&2
+ exit 1
+ ;;
+ esac
+ done
+ if [ ".$opt_PREV" != . ]; then
+ echo "$msgprefix:Error: missing argument to option \`-$opt_PREV'" 1>&2
+ echo "$msgprefix:Hint: run \`$toolcmdhelp -h' or \`man shtool' for details" 1>&2
+ exit 1
+ fi
+
+ # process help option
+ if [ ".$opt_h" = .yes ]; then
+ echo "Usage: $toolcmdhelp $str_usage"
+ exit 0
+ fi
+
+ # complain about incorrect number of arguments
+ case $arg_MODE in
+ '=' )
+ if [ $# -ne $arg_NUMS ]; then
+ echo "$msgprefix:Error: invalid number of arguments (exactly $arg_NUMS expected)" 1>&2
+ echo "$msgprefix:Hint: run \`$toolcmd -h' or \`man shtool' for details" 1>&2
+ exit 1
+ fi
+ ;;
+ '+' )
+ if [ $# -lt $arg_NUMS ]; then
+ echo "$msgprefix:Error: invalid number of arguments (at least $arg_NUMS expected)" 1>&2
+ echo "$msgprefix:Hint: run \`$toolcmd -h' or \`man shtool' for details" 1>&2
+ exit 1
+ fi
+ ;;
+ esac
+
+ # establish a temporary file on request
+ if [ ".$gen_tmpfile" = .yes ]; then
+ if [ ".$TMPDIR" != . ]; then
+ tmpdir="$TMPDIR"
+ elif [ ".$TEMPDIR" != . ]; then
+ tmpdir="$TEMPDIR"
+ else
+ tmpdir="/tmp"
+ fi
+ tmpfile="$tmpdir/.shtool.$$"
+ rm -f $tmpfile >/dev/null 2>&1
+ touch $tmpfile
+ chmod 600 $tmpfile
+ fi
+
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