xml2csv.in

#!/bin/sh

# Set constants and defaults
NAME="xml2csv"
XSLTPROC="@XSLTPROC@"
CSVXSL="@pkgdatadir@/csv.xsl"

# Usage message
usage()
{
    echo "Usage:" 1>&2
    echo "    ${NAME} [input.xml]" 1>&2
    echo "Options:" 1>&2
    echo "    -h    Show this help message and exit" 1>&2
}

# Log functions
log()
{
    echo ${NAME}: ${1+"$@"} 1>&2
}

# Error function
errout()
{
    log ${1+"$@"}
    exit 1
}

# Bail on errors
set -e

# Parse flags passed in on the command line
while [ ${#} -gt 0 ]; do
    case "$1" in
        -h|--help)
            usage
            exit
            ;;
        --)
            shift
            break
            ;;
        -*)
            echo "${NAME}: unrecognized flag \`${1}'" 1>&2
            usage
            exit 1
            ;;
        *)
            break
            ;;
    esac
done
case "${#}" in
    0)
        INPUT_FILE="-"
        ;;
    1)
        INPUT_FILE="${1}"
        ;;
    *)
        usage
        exit 1
        ;;
esac

# Run
exec "${XSLTPROC}" "${CSVXSL}" "${INPUT_FILE}"