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.
- Python 2.5x, 2.7x or Python 3.x
- egrep or grep, grep should be GNU Version 3.x
git clone https://github.com/rtulke/rp.git
cp rp/rp.py /usr/local/bin/rp
chmod 777 /usr/local/bin/rp
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"
$ 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
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