read_fits_keyword (version 0.0)

You can also look at:
#! /usr/bin/ksh

###########################################################################
#
# 
# SYNTAX: read_fits_keyword file keyword 
#
# DESCRIPTION: This utility reads a FITS keyword value and writes it to the
#              standard output
#
# VERSION: 0.0
#
# HISTORY:
#
##############################################################################

file=$1
keyword=$2

if [ -z "$file" ]; then
     file="undefined"
fi

if [ -z "$file" ]; then
     keyword="undefined"
fi

$UTIL/setup_parfile $FTOOLS/fkeypar.par fitsfile="$file"    \
                                        keyword="$keyword"

$FTOOLS/fkeypar >stdout${$}.log 2>stderr${$}.log 
code=$?
value="$($UTIL/read_parfile ./fkeypar.par value)"
value="${value#\'}"
value="${value%\'}"
echo $value

$UTIL/ftool_test fkeypar $code $0 1 stdout${$}.log stderr${$}.log


exit 0