XML formatter (glob aware)

gistfile1.txt

#!/bin/bash
if [ $# == 0 ]
then
    echo "Usage: xmlformat <file selector>"
    echo "Examples:    xmlformat test.xml"
    echo "             xmlformat foo*.xml"
fi

for filename in $*
do
#    echo "file extension is ${filename#*.}"
    if ([ -f ${filename} ] && [ ${filename#*.} == "xml" ])
    then    
        TFILE=`mktemp`
        xmllint --format ${filename} > ${TFILE}
        mv ${TFILE} ${filename}
    else
        echo "Ignoring ${filename} because not an XML file"
    fi
done