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# Download all files from a given online directory
# into the a local directory without mirroring the 
# folder structure
wget -A <accepted only extensions> -r -l <levels of depth> -nd http://domain.com/folder/

wget -R <all except X> -r -l <levels of depth> -n http://domain.com/folder

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OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

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# Create ~/.inputrc file and paste 
# this in it
"\e[A": history-search-backward
"\e[B": history-search-forward

# Example:
# cd+UP : will return all previous cd commands
# and paramters

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-- Find
egrep -Rl <regular expression> <file or files>

-- Find and Replace
grep -l '' ./* | xargs sed -i "" 's/IP4445A/IP445A/'

-- Find and Replace (no RegEx)
-- Add IMO number
grep -l '' ./* | xargs sed -i "" 's|MSC:172:20+++:146::VITNAME|MSC:172:20+++9299551:146::VITNAME|g'
-- Change VVN

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#!/bin/bash
# Will tarify all folders/files in a directory and create
# a separate tar file for each

for f in */; do tar -cvf "${f%/}.tar" "$f"; done