Unix tips:
$ nmap -v -sP 192.168.100.0/24
perl -pie "${expr}" file
...and expr can be something like:
s/foo/bar/g
nc ip port < file
nc -l port > file
Case mods:
NATO Phonetic Alphabet Letter Phonetic Letter A Alpha B Bravo C Charlie D Delta E Echo F Foxtrot G Golf H Hotel I India J Juliet K Kilo L Lima M Mike N November O Oscar P Papa Q Quebec R Romeo S Sierra T Tango U Uniform V Victor W Whiskey X X-ray Y Yankee Z Zulu