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rp aka red pencil is a simple multicolor command-line tool to highlight the filtered output text.

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rp

rp - red pencil is a simple multicolor command-line tool to highlight the filtered output text.

I always had problems with filtering out large continuous text, i.e. text that you want to filter out of log files with cat or something similar. So I needed a tool that makes it easy to see what I'm actually looking for.

Example

Requirements

  • Python 2.5x, 2.7x or Python 3.x
  • egrep or grep, grep should be GNU Version 3.x

Setup Linux

git clone https://github.com/rtulke/rp.git
cp rp/rp.py /usr/local/bin/rp
chmod 777 /usr/local/bin/rp

Setup MacOS X

Mac OS X uses the BSD grep or egrep which is not 100% compatible with Linux grep/egrep. Therefore it requires an additional -e "OK" which must be used directly in the code.

Otherwise you will get this error message: "egrep: empty (sub)expression"

Usage

$ rp
Usage: cat logfile | rp [options] searchterm1 searchterm2...

Options:
  -h, --help  show this help message and exit
  -i          perform a case insensitive search
  -k          only highlight, do not filter

Examples

cat /foo/bar | rp searchstring1 searchstring2 .. 

or try less with RAW mode:

cat /foo/bar | rp searchstring1 searchstring2 .. | less -R 

rp with regex:

cat /foo/bar | rp ^.*[04]

highlight whole line:

cat /foo/bar | rp ^.\*searchstring\*.$
cat /foo/bar | rp -i Searchstring1 searchString2 .. | less -R 

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rp aka red pencil is a simple multicolor command-line tool to highlight the filtered output text.

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