Command line modify xml property with value defined inline

Question

I've got an xml property like so:

<property name="foo" value="bar"/>

And would like to modify the value "bar" to be anything else. Any standard command line tools to do so? I'm having trouble getting sed to play nice, I'm not sure which characters I should be escaping.

glenn jackman · Accepted Answer · 2013-10-03 00:48:04Z

1

xmlstarlet is a pretty full-featured XML tool.

xmlstarlet ed --update /property/@value -v qux <<END
<property name="foo" value="bar"/> 
END

<?xml version="1.0"?>
<property name="foo" value="qux"/>

Add -O to omit the XML declaration line.

answered Oct 3, 2013 at 0:48

glenn jackman

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amhou Over a year ago

Unfortunately I don't have control over the machine this is running on, so it's just standard tools for me :( sed, awk, etc.

Jotne · Accepted Answer · 2013-10-03 04:46:50Z

1

Using awk

echo '<property name="foo" value="bar"/>' | awk '{sub(/bar/,"new")}1'
<property name="foo" value="new"/>

another version

echo '<property name="foo" value="bar"/>' | awk -F\" '{$4="new"}1' OFS=\"
<property name="foo" value="new"/>

answered Oct 3, 2013 at 4:46

Jotne

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