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#!/bin/sh
linenum=LINENUMBERPLACEHOLDER
UNPACKDIR=/var/tmp/unpack_PRODUCTNAMEPLACEHOLDER
diskSpaceRequired=DISCSPACEPLACEHOLDER
checksum=CHECKSUMPLACEHOLDER
# Determining current platform
platform=`uname -s`
case $platform in
SunOS)
tail_prog="tail"
;;
Linux)
tail_prog="tail -n"
;;
*)
tail_prog="tail"
;;
esac
# Asking for the unpack directory
echo
echo "Select the directory in which to save the unpacked files. [$UNPACKDIR] "
read reply leftover
if [ "x$reply" != "x" ]
then
UNPACKDIR="$reply"
fi
if [ -d $UNPACKDIR ]; then
printf "Directory $UNPACKDIR already exists.\n"
printf "Please select a new directory name.\n"
exit 1
fi
# Unpacking
mkdir $UNPACKDIR
diskSpace=`df -k $UNPACKDIR | $tail_prog -1 | awk '{if ( $4 ~ /%/) { print $3 } else { print $4 } }'`
if [ $diskSpace -lt $diskSpaceRequired ]; then
printf "The selected drive does not have enough disk space available.\n"
printf "PRODUCTNAMEPLACEHOLDER requires at least %s kByte.\n" $diskSpaceRequired
exit 1
fi
trap 'rm -rf $UNPACKDIR; exit 1' HUP INT QUIT TERM
if [ -x /usr/bin/sum ] ; then
echo "File is being checked for errors ..."
sum=`$tail_prog +$linenum $0 | /usr/bin/sum`
sum=`echo $sum | awk '{ print $1 }'`
if [ $sum != $checksum ]; then
echo "The download file appears to be corrupted. Please download PRODUCTNAMEPLACEHOLDER again."
exit 1
fi
fi
echo "Unpacking ..."
$tail_prog +$linenum $0 | (cd $UNPACKDIR; tar xf -)
echo "All files have been successfully unpacked."
if [ -f $UNPACKDIR/setup ]
then
chmod 775 $UNPACKDIR/setup
$UNPACKDIR/setup
fi
exit 0
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