linux - gem2deb from gem list

# you need to install gem2deb

# sudo apt-get install gem2deb

mkdir gem2deb

cd gem2deb

gem list > installed_gem

sudo awk '{print "gem2deb "$0" "}'  installed_gem > tmp_gem_list

# remove everything betwen ()

echo '(F/.M/d h)' | sed 's/(.*)//' tmp_gem_list > ready_gem2deb

rm installed_gem && rm tmp_gem_list

sudo sh ready_gem2deb