bragi / rlgrep

Grep for Ruby on Rails logs

rlgrep

rlgrep - grep for Ruby on Rails log files. Allows to search strings in whole requests (unlike grep, which can only search lines). Can grep through multiple files at once, including gzipped ones.

Installation

1. Install necessary dependencies

   sudo gem install echoe
   sudo gem install facets
   sudo gem install ssoroka-ansi --source=http://gems.github.com
   

2. Download rlgrep

   git clone git://github.com/bragi/rlgrep.git
   

3. put the script in PATH

Usage

rlgrep [options] regular_expression log files

Available options:
-c, --colorize    highlight important elements of request
-h, --help        display this help
-i pattern, --highlight=pattern
                  highlight specified pattern
-p param, --highlight-param=param
                  highlight specified param
-s file_name, --stdin=file_name
                  parse file from STDIN, display it's name as file_name
-x, --cleanup     remove session information

My Favourite Usage

rlgrep -c -x -p action -i 'Rendering: [0-9\.]+' '"show"' production.log{.{3..1}.gz,} | less -Rf