rpl - A Find & Replace Terminal Tool
Tonight I have mainly been working on Whird. I have been rewriting large chunks of code in an effort to optimise a bunch of functions. As a result of this, I had to change a series of strings in a number of files. As per normal when it comes to fiddly grep, sed and awk commands, I fired up Google and searched for some pointers. Whilst refreshing my memory, I came across a comment by an anonymous reader who suggested using the rpl command.
I had not previously come across rpl before, so I investigated. Turns out that rpl is a really handy text replacement tool — it makes recursive text replacement commands really simple; as simple as:
rpl [options] old_string new_string target_file(s)
Available options are:
--version show program's version number and exit
-h, --help show this help message and exit
-L, --license show the software license
-x SUFFIX specify file suffix to match
-i, --ignore-case do a case insensitive match
-w, --whole-words whole words (old_string matches on word boundaries only)
-b, --backup make a backup before overwriting files
-q, --quiet quiet mode
-v, --verbose verbose mode
-s, --dry-run simulation mode
-R, --recursive recurse into subdirectories
-e, --escape expand escapes in old_string and new_string
-p, --prompt prompt before modifying each file
-f, --force ignore errors when trying to preserve permissions
-d, --keep-times keep the modification times on modified files
-t, --use-tmpdir use $TMPDIR for storing temporary files
-a, --all do not ignore files and directories starting with .
rpl is available to install from the Ubuntu repositories, install with the following command:
sudo apt-get install rpl
For more information about rpl, see: http://www.laffeycomputer.com/rpl.html
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