awesomebytes/one_line_regexp_python.md

Created January 25, 2016 15:20

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One line (kinda long) regular expression substitution in python (for when sed refuses to obey)

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One liner python regexp substitution (aka sed-you-should-be-doing-this-properly)

cat only_arm.urdf | python -c "import sys,re;sys.stdout.write(re.sub('<gazebo(.|\n)*?<\/gazebo>*', '', sys.stdin.read()))" > only_arm.urdf.nogazebo

This was to delete gazebo tags in an URDF file in a single commandline with things that (usually) come with the base system.