grep-gems

grep-gems

#! /bin/sh

# grep-gems
#
# (1) grep rubygems sources.
# > grep-gems "def select_tag"
# 
# (2) open source.
# > grep-gems "def select_tag"
#     1 /usr/lib/ruby/gems/1.8/gems/foo/a.rb
#     2 /usr/lib/ruby/gems/1.8/gems/foo/b.rb
#     3 /usr/lib/ruby/gems/1.8/gems/foo/c.rb
# > grep-gems "def select_tag" 3 # open foo/c.rb

if [ $# -eq 2 ]
then
        vi `cat /tmp/grep-gems-result | grep -e "^[ ]*${2}[^0-9]" | awk '{ print $2 }' | tr -d  ':'`
else
        rm /tmp/grep-gems-temp &> /dev/null
        for i in `/usr/bin/env ruby -rubygems -e 'puts Gem.path'`
        do
                if [ -e "${i}/gems" ]
                then
                        find "${i}/gems" -nowarn -type f >> /tmp/grep-gems-temp
                fi
        done
        cat /tmp/grep-gems-temp | xargs grep "$1" -s | cat -n > /tmp/grep-gems-result
        cat /tmp/grep-gems-result
fi