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3 paul 1
#!/bin/sh
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#
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# install - install a program, script, or datafile
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# This comes from X11R5 (mit/util/scripts/install.sh).
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#
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# Copyright 1991 by the Massachusetts Institute of Technology
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#
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# Permission to use, copy, modify, distribute, and sell this software and its
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# documentation for any purpose is hereby granted without fee, provided that
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# the above copyright notice appear in all copies and that both that
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# copyright notice and this permission notice appear in supporting
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# documentation, and that the name of M.I.T. not be used in advertising or
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# publicity pertaining to distribution of the software without specific,
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# written prior permission.  M.I.T. makes no representations about the
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# suitability of this software for any purpose.  It is provided "as is"
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# without express or implied warranty.
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#
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# Calling this script install-sh is preferred over install.sh, to prevent
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# `make' implicit rules from creating a file called install from it
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# when there is no Makefile.
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#
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# This script is compatible with the BSD install script, but was written
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# from scratch.  It can only install one file at a time, a restriction
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# shared with many OS's install programs.
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# set DOITPROG to echo to test this script
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# Don't use :- since 4.3BSD and earlier shells don't like it.
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doit="${DOITPROG-}"
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# put in absolute paths if you don't have them in your path; or use env. vars.
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mvprog="${MVPROG-mv}"
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cpprog="${CPPROG-cp}"
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chmodprog="${CHMODPROG-chmod}"
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chownprog="${CHOWNPROG-chown}"
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chgrpprog="${CHGRPPROG-chgrp}"
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stripprog="${STRIPPROG-strip}"
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rmprog="${RMPROG-rm}"
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mkdirprog="${MKDIRPROG-mkdir}"
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transformbasename=""
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transform_arg=""
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instcmd="$mvprog"
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chmodcmd="$chmodprog 0755"
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chowncmd=""
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chgrpcmd=""
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stripcmd=""
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rmcmd="$rmprog -f"
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mvcmd="$mvprog"
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src=""
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dst=""
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dir_arg=""
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while [ x"$1" != x ]; do
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    case $1 in
599 cbradney 59
	-c) instcmd=$cpprog
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	    shift
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	    continue;;
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	-d) dir_arg=true
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	    shift
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	    continue;;
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	-m) chmodcmd="$chmodprog $2"
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	    shift
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	    shift
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	    continue;;
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	-o) chowncmd="$chownprog $2"
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	    shift
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	    shift
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	    continue;;
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	-g) chgrpcmd="$chgrpprog $2"
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	    shift
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	    shift
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	    continue;;
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	-s) stripcmd=$stripprog
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	    shift
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	    continue;;
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	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
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	    shift
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	    continue;;
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	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
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	    shift
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	    continue;;
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	*)  if [ x"$src" = x ]
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	    then
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		src=$1
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	    else
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		# this colon is to work around a 386BSD /bin/sh bug
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		:
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		dst=$1
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	    fi
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	    shift
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	    continue;;
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    esac
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done
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if [ x"$src" = x ]
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then
599 cbradney 109
	echo "$0: no input file specified" >&2
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	exit 1
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else
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	:
3 paul 113
fi
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if [ x"$dir_arg" != x ]; then
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	dst=$src
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	src=""
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	if [ -d "$dst" ]; then
3 paul 120
		instcmd=:
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		chmodcmd=""
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	else
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		instcmd=$mkdirprog
3 paul 124
	fi
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else
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# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
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# might cause directories to be created, which would be especially bad
3 paul 129
# if $src (and thus $dsttmp) contains '*'.
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	if [ -f "$src" ] || [ -d "$src" ]
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	then
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		:
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	else
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		echo "$0: $src does not exist" >&2
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		exit 1
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	fi
599 cbradney 138
 
3 paul 139
	if [ x"$dst" = x ]
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	then
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		echo "$0: no destination specified" >&2
3 paul 142
		exit 1
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	else
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		:
3 paul 145
	fi
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# If destination is a directory, append the input filename; if your system
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# does not like double slashes in filenames, you may need to add some logic
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599 cbradney 150
	if [ -d "$dst" ]
3 paul 151
	then
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		dst=$dst/`basename "$src"`
3 paul 153
	else
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		:
3 paul 155
	fi
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fi
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## this sed command emulates the dirname command
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dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
3 paul 160
 
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# Make sure that the destination directory exists.
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#  this part is taken from Noah Friedman's mkinstalldirs script
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# Skip lots of stat calls in the usual case.
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if [ ! -d "$dstdir" ]; then
599 cbradney 166
defaultIFS='
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	'
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IFS="${IFS-$defaultIFS}"
3 paul 169
 
599 cbradney 170
oIFS=$IFS
3 paul 171
# Some sh's can't handle IFS=/ for some reason.
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IFS='%'
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set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
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IFS=$oIFS
3 paul 175
 
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pathcomp=''
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while [ $# -ne 0 ] ; do
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	pathcomp=$pathcomp$1
3 paul 180
	shift
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	if [ ! -d "$pathcomp" ] ;
3 paul 183
        then
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		$mkdirprog "$pathcomp"
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	else
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		:
3 paul 187
	fi
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599 cbradney 189
	pathcomp=$pathcomp/
3 paul 190
done
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fi
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193
if [ x"$dir_arg" != x ]
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then
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	$doit $instcmd "$dst" &&
3 paul 196
 
599 cbradney 197
	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
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	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
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	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
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	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
3 paul 201
else
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# If we're going to rename the final executable, determine the name now.
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599 cbradney 205
	if [ x"$transformarg" = x ]
3 paul 206
	then
599 cbradney 207
		dstfile=`basename "$dst"`
3 paul 208
	else
599 cbradney 209
		dstfile=`basename "$dst" $transformbasename |
3 paul 210
			sed $transformarg`$transformbasename
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	fi
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# don't allow the sed command to completely eliminate the filename
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599 cbradney 215
	if [ x"$dstfile" = x ]
3 paul 216
	then
599 cbradney 217
		dstfile=`basename "$dst"`
3 paul 218
	else
599 cbradney 219
		:
3 paul 220
	fi
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599 cbradney 222
# Make a couple of temp file names in the proper directory.
3 paul 223
 
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	dsttmp=$dstdir/#inst.$$#
599 cbradney 225
	rmtmp=$dstdir/#rm.$$#
3 paul 226
 
599 cbradney 227
# Trap to clean up temp files at exit.
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	trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
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	trap '(exit $?); exit' 1 2 13 15
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3 paul 232
# Move or copy the file name to the temp name
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599 cbradney 234
	$doit $instcmd "$src" "$dsttmp" &&
3 paul 235
 
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# and set any options; do chmod last to preserve setuid bits
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# If any of these fail, we abort the whole thing.  If we want to
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# ignore errors from any of these, just make sure not to ignore
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# errors from the above "$doit $instcmd $src $dsttmp" command.
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599 cbradney 242
	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
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	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
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	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
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	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
3 paul 246
 
599 cbradney 247
# Now remove or move aside any old file at destination location.  We try this
248
# two ways since rm can't unlink itself on some systems and the destination
249
# file might be busy for other reasons.  In this case, the final cleanup
250
# might fail but the new file should still install successfully.
251
 
252
{
253
	if [ -f "$dstdir/$dstfile" ]
254
	then
255
		$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
256
		$doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
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		{
258
		  echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
259
		  (exit 1); exit
260
		}
261
	else
262
		:
263
	fi
264
} &&
265
 
3 paul 266
# Now rename the file to the real destination.
267
 
599 cbradney 268
	$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
3 paul 269
 
270
fi &&
271
 
599 cbradney 272
# The final little trick to "correctly" pass the exit status to the exit trap.
3 paul 273
 
599 cbradney 274
{
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	(exit 0); exit
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}