how to edit XML using bash script?

Question

1
2

Need to change values 1 and 2 from bash

Answer 1

You can use the xsltproc command (from package xsltproc on Debian-based distros) with the following XSLT sheet:

Then use the command:

xsltproc --stringparam tagReplacement polop \
         --stringparam tag1Replacement palap \
         transform.xsl input.xml

Or you could also use regexes, but modifying XML through regexes is pure evil :)