bash

https://mywiki.wooledge.org/BashFAQ/073

IFS='%'
unset IFS

http://logbuffer.wordpress.com/2010/09/23/bash-scripting-preserve-white…

forward search:
CTRL-s

para funcionar desativar xon/xoff flow control:
stty -ixon

http://www.catonmat.net/blog/the-definitive-guide-to-bash-command-line-…
http://stackoverflow.com/questions/791765/unable-to-forward-search-bash…