I have also added a directory parameter

I also want to check a sub directory in a share, so i added a sub directory parameter (-d), see the code:
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[root@localhost ~]# cat /usr/local/nagios/libexec/check_smb_file.sh
#!/bin/sh

# Check for file on SMB with nagios
# Cristian Barreto 2013-03-27

REVISION=1.0
PROGNAME=`basename $0`
PROGPATH=`echo $0 | sed -e ‘s,[\/][^\/][^\/]*$,,’`

. $PROGPATH/utils.sh

usage () {
echo ”
Nagios plugin to check for SAMBA File. Use anonymous login if user name is not supplied.
IT NEEDS SMBCLIENT PACKET TO WORK!

Usage:
$PROGNAME -H -W -s -f -u -p -S -E
$PROGNAME –help
$PROGNAME –version

”
}

help () {
print_revision $PROGNAME $REVISION
echo; usage; echo; support
}

#print help
if [ $# -lt 3 ]; then
usage
exit $STATE_UNKNOWN
fi

user=”guest”
pasword=””

while test -n “$1”; do
case “$1″ in
–help | -h)
help
exit $STATE_OK;;
–version | -V)
print_revision $PROGNAME $REVISION
exit $STATE_OK;;
-H)
shift
host=”$1″;;
-W)
shift
workgroup=”$1″;;
-s)
shift
sharePathToTest=”$1″;;
-d)
shift
directoryToTest=”$1″;;
-f)
shift
fileToTest=”$1″;;
-u)
shift
user=”$1″;;
-p)
shift
password=”$1″;;
-S)
shift
onSuccessMessage=”$1″;;
-E)
shift
onErrorMessage=”$1″;;
*)
usage; exit $STATE_UNKNOWN;;
esac
shift
done

onSuccessMessage=”OK: File exists!”
onErrorMessage=”ERROR: File “//”$host””$sharePathToTest”$fileToTest” does not exists.”

if [ “$fileToTest” == “” ]; then
echo “ERROR: You need to specify a file to test using -f parameter.”
exit $STATE_UNKNOWN
fi

if [ “$directoryToTest” == “” ]; then
echo “directoryToTest = empty, do not add a sub directory after the share (and before the filename)”
fileToTest=”$fileToTest”
else
echo “directoryToTest = Filled, add a sub directory after the share (and before the filename)”
fileToTest = “$directoryToTest/$fileToTest”
fi

smbclient //”$host””$sharePathToTest” -U “$user”%”$password” -W “$workgroup” -c “get “$directoryToTest/$fileToTest” /tmp/”$fileToTest””

if [ -f /tmp/”$fileToTest” ]; then
rm -f /tmp/”$fileToTest”
echo $onSuccessMessage
exit $STATE_OK
else
echo $onErrorMessage
exit $STATE_CRITICAL
fi