bash добавлено пользователем cronolio. permanent link
GNU Bash manual: http://gnu.org/s/bash/manual || ABS - http://tldp.org/LDP/abs/html/index.html || https://www.shellcheck.net || Bash Guide: http://mywiki.wooledge.org/BashGuide || Bash FAQ: http://mywiki.wooledge.org/BashFAQ || Bash Pitfalls (eng): http://mywiki.wooledge.org/BashPitfalls || вкусняшки https://github.com/revans/bash-it
CalcScript v. 1.1
Author: mdma special for #linux channel on RusNet. 2011