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Makes the permissions of file2 the same as file1
same as the chmod example, but should also copy extended access control list attributes. deliberately stolen from: $man setfacl

strips the first field of each line where the delimiter is the first ascii character

Find if $b is in $a in bash
Find if $b is in $a in bash

Ping all hosts on 192.168.1.0/24

enable all bash completions in gentoo

Get IPv4 of eth0 for use with scripts
Simple and easy. No regex, no search and replace. Just clean, built-in tools.

Create a script of the last executed command
Sometimes commands are long, but useful, so it's helpful to be able to make them permanent without having to retype them. An alternative could use the history command, and a cut/sed line that works on your platform. $history -1 | cut -c 7- > foo.sh

Share a screen session

Echo the latest commands from commandlinefu on the console
Self-referential use of wget.

This is N5 sorta like rot13 but with numbers only
This is N5 sorta like rot13 but with numbers only. Encrypt echo "$1" | xxd -p | tr '0-9' '5-90-6' Decrypt echo "$1" | tr '0-9' '5-90-6' | xxd -r -p


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