09-15-2007
Problems with an if/then loop within a script
Hi there,
I have written a script to clear out log files from the var/tmp dir. It works up to a point. What I needed to do was to exit the script if there was no files to be deleted. I can get this working on a test script but when I implement it into my program it errors out with a `then` not matched error. I have traced it to the line in the script: if [TEMP ="0"]; then
Could somebody have a look at it and teel me where I have went wrong or point me in the right direction
Rgds
Colin
Here is the extract from the script that I created:
#!/bin/sh
#
# Set local variables
USER=`/usr/bin/whoami`
ACCOUNT=specs
HOSTNAME=`/usr/bin/hostname`
DATE=`/usr/bin/date "+%Y%m%d"`
TEMP=`find /var/tmp/ -name "gem*" -atime +3 | wc -l`
TEMPALL=`find /var/tmp/ -atime +3 | wc -l`
# Purge old Log Files
find /users/agaff/nospace/logs/ -name "*.txt" -atime +1|xargs rm -f
# Main Screen
clear
echo "<1> Delete GEM log files on host: " $HOSTNAME
echo "<2> Delete ALL Files in the /var/tmp ( maintenance only ) "
echo "<3> Exit - no files to be deleted"
echo ""
echo " Enter 1 or 2 or 3"
read ANSWER
if [ $ANSWER = "1" ]; then
clear
echo "Examining Log Files for host: " $HOSTNAME
echo ""
if [ $TEMP = "0" ]; then #(this is where it bombs out)
echo
echo
echo"***************************************************"
echo "There are no log files to be deleted from host:" $HOSTNAME
echo
elif [ $TEMP > "0" ];
then
echo "***********************************************"
echo "There are " $TEMP "log files that can be deleted from host:" $HOSTNAME
echo ""
echo ""
echo "<1> Delete GEM log files on Host" $HOSTNAME "in the /var/tmp directory"
echo "<2> Exit - no files to be deleted"
echo ""
echo " Enter 1 or 2"
echo""
read ANS1
if [ $ANS1 = "1" ]; then
clear
echo ""
echo ""
echo"Deleting GEM Logfiles Log Files"
mkdir -p /users/agaff/nospace/logs/
find /var/tmp/ -name "gem*" -atime +3 > /users/agaff/nospace/logs/$DATE"-"$HOSTNAME"-logs".txt| xargs -f >/dev/null 2>&1
echo ""
echo "************************************************************************"
echo "Tmp Logs are now deleted and logfile updated"
echo ""
echo ""
elif [ $ANS1 = "2" ]; then
echo "Exiting"
else
echo "Invalid selection, exiting..."
exit
fi
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LEARN ABOUT DEBIAN
bf_tar
BF_TAR(1) Bogofilter Reference Manual BF_TAR(1)
NAME
bf_tar - shell script to write a tar file of a bogofilter directory to stdout
SYNOPSIS
bf_tar [-r] [-R] bogofilter_directory
DESCRIPTION
bf_tar bundles a bogofilter working directory in tar format and copies it to standard output (your console, or where you redirect it, see
EXAMPLES below).
OPTIONS
The -r option causes bf_tar to remove inactive log files after the archive has been written successfully. The default is to leave log
files.
The -R option causes bf_tar to remove inactive log files before the archive is written. This may reduce chances that the resulting archive
is recoverable should it become damaged. The archive may be smaller though. The default is to leave log files.
EXIT STATUS
The script exits with status code 0 if everything went well, and nonzero if it encountered trouble.
EXAMPLES
o bf_tar ~/.bogofilter > outfile.tar
Writes a standard .tar file containing the essential files from ~/.bogofilter to outfile.tar.
o bf_tar ~/.bogofilter | gzip -9 -c > outfile.tar.gz
Writes a gzipped .tar.gz file containing the essential files from ~/.bogofilter to outfile.tar.gz.
o bf_tar `pwd`/mydirectory > outfile.tar
Prepend $(pwd)/ or `pwd`/ if you want to specify an absolute path instead of a relative path.
NOTES
This script is meant for use with Berkeley DB based bogofilter versions.
This script requires a SUSv2 compliant pax utility.
This script expects a SUSv2 compliant shell. Solaris systems should have the SUNWxcu4 package installed (when bogofilter is configured) so
that /usr/xpg4/bin/sh can be used.
AUTHORS
Matthias Andree
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