Renaming files using regex?

Question

I need to rename *-dev.example.com.cfg to *-prod.example.com.cfg

For example, if the filename is db-dev.example.com.cfg I need to rename it db-prod.example.com.cfg

There are like a 200+ files, is there a way to do it via command line ?

Is there anything you have done to try to solve this problem? We will be more willing to answer your question if you tell us what you have tried so far. (Helpful links for asking better questions: How to Ask, help center) — tckmn
– tckmn, Commented Jul 9, 2013 at 18:15
Seems that you aren't inclined to put in any effort. A simple search would have fetched you multiple solutions. — devnull
– devnull, Commented Jul 9, 2013 at 18:19

Taymon · Accepted Answer · 2013-07-09 18:22:53Z

1

You can do this in pure bash with parameter substitution.

for file in *-dev.example.com.cfg; do
  mv "$file" "${file/%-dev.example.com.cfg/-prod.example.com.cfg}"
done

answered Jul 9, 2013 at 18:22

Taymon

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that other guy · Accepted Answer · 2013-07-09 18:19:46Z

0

Regex are not required for this, so since you're on Linux, you can use rename from util-linux. On Debian and derivatives like Ubuntu, the command is called rename.ul.

rename dev.example.com.cfg prod.example.com.cfg *.cfg

answered Jul 9, 2013 at 18:19

that other guy

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mnagel · Accepted Answer · 2013-07-09 21:36:34Z

0

zsh has zmv, that might be handy if doing such things regularly http://zshwiki.org/home/builtin/functions/zmv

answered Jul 9, 2013 at 21:36

mnagel

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