#!/bin/sh

#set -x

mode=0600
ver=0.0.1

usage() {
    cat <<EOF
Usage: tempfile [OPTION]

Create a temporary file in a safe manner.

-d, --directory=DIR  place temporary file in DIR
-p, --prefix=STRING  set temporary file's prefix to STRING
-s, --suffix=STRING  set temporary file's suffix to STRING
-m, --mode=MODE      open with MODE instead of 0600
-n, --name=FILE      use FILE instead of tempnam(3)
    --help           display this help and exit
    --version        output version information and exit

EOF

}

showversion() {
    echo "$0 wrapper $ver"
}
    

while [ "$1" != "" ]; do
    case $1 in
	--help)
	    usage
	    exit 0;;
	--version)
	    showversion
	    exit 0;;
	-p|-s|-n)
	    shift 2;;
	--prefix=*|--suffix=*|--name=*)
	    shift;;
	-d|--directory)
	    dir="$2"
	    shift 2;;
	--directory=*)
	    dir=${1##--directory=} 
	    shift;;
	-m|--mode)
	    mode="$2"
	    shift 2;;
	--mode=*)
	    mode=${1##--mode=} 
	    shift;;
	--*)
	    echo "Unknown option $1"
	    shift;;
	*)
	    echo "Unknown parameter $1"
	    shift;;
    esac
done

[ x$dir = x ] || dir="-p $dir"

set -e
file=`mktemp /tmp/tmp.XXXXXXX`
chmod $mode $file
echo $file