Commands by priya (0)

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Default value or argument
I used it for this function, which prints hashes: function liner { num_lines=${1:-42} echo printf %${num_lines}s|tr " " "#" echo } Note the colon-dash, instead of the usual colon-equals.

Show every subdirectory (zsh)

list all file-types (case-insensitive extensions) including subdirectories

find an unused unprivileged TCP port
Not really better - just different ;) There's probably a really simple solution out there somewhere...

List the size (in human readable form) of all sub folders from the current location
Sorted in human readable format.

Convert text to lowercase
Usage: lower [STRING]...

Colored status of running services
Replace service --status-all 2>&1 by service --status-all 2>/dev/null to hide all services with the status [ ? ]

is today the end of the month?

repeat a command every one second
Short method of "while x=0; do foo ; sleep 1 ; done"

Recursively search and replace old with new string, inside every instance of filename.ext
This is a slightly modified version of http://www.commandlinefu.com/commands/view/4283/recursive-search-and-replace-old-with-new-string-inside-files (which did not work due to incorrect syntax) with the added option to sed inside only files named filename.ext

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