xml indent script

indent.groovy

#!/usr/bin/env groovy

def indent(args) {
	
	def cli = new CliBuilder(usage: 'indent.groovy -[h] [-o outputFile] inputFile')
	cli.with {
		h longOpt: 'help', 'Show usage information'
		o longOpt: 'out', args: 1, argName: 'outputFile', 'file to write to (default: stdout)'
	}

	def options = cli.parse(args)
	
	if (!options) {
		return
	}
	if (options.h || !options.arguments()) {
		cli.usage()
		return
	}

	if (options.o) {
		new File(options.o).withPrintWriter { out ->
			indent(options.arguments(), out)
		}
	}
	else {
		def autoFlush = true
		indent(options.arguments(), new PrintWriter(System.out, autoFlush))
	}

}

def indent(List inputFiles, PrintWriter out) {
	inputFiles.each { inputFile -> 
		def node = new XmlParser().parse(inputFile)
		new XmlNodePrinter(out).print(node)
	}
}

indent(args);

indent.sh

#!/bin/bash

# from http://mrhaki.blogspot.com/2009/09/groovy-goodness-parsing-commandline.html

# usage: indent.sh file1.xml file2.xml file3.xml

xsltproc - $@ <<EOF
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:output method="xml" indent="yes"/>
    <xsl:template match="@*|node()">
        <xsl:copy>
            <xsl:apply-templates select="@*|node()"/>
        </xsl:copy>
    </xsl:template>
</xsl:stylesheet>
EOF