Commands by sitaram (5)

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Sort files in folders alphabetically
Creates one letter folders in the current directory and moves files with corresponding initial in the folder.

Diff files on two remote hosts.

Retry the previous command until it exits successfully

Extract tar content without leading parent directory
If archive has leading directory level same as archive name and you want to strip it, this command is for you.

List alive hosts in specific subnet
Works on any machine with nmap installed. Previous version does not work on machines without "seq". Also works on subnets of any size.

Get count of kilobytes brew cleanup would free

pid of manually selecting window

Continually monitor things
You can use this one-liner for a quick and dirty (more customizable) alternative to the watch command. The keys to making this work: everything exists in an infinite loop; the loop starts with a clear; the loop ends with a sleep. Enter whatever you'd like to keep an eye on in the middle.

Rename files in batch

Empty the linux buffer cache


Stay in the loop…

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