myfavouritekk / handy_shell.sh

Last active August 29, 2015 14:16

Handy Commands in Shell

	# Jump back
	cd -

	# add sudo to last command
	sudo !!

	# replace a word in last command
	^cmd1^cmd2

	# Remove surplus carriage returns in windows text files

myfavouritekk / large_files.sh

Last active August 29, 2015 14:15

Dealing with large number of files

	# Quickly count, -f disable sorting, adding . and ..
	ls -f directory \| wc -l

	# Quickly remove files
	rsync -a --delete empty_directory/ directory/
	find directory -delete

	# Quickly copy files
	rsync -a source/ target/
	# Copy list of files

myfavouritekk / remove_windows_carriage_returns.sh

Created December 2, 2014 03:17

Remove surplus carriage returns and end of file characters in windows files.

tr -d '\015\032' < windows_file > unix_file

myfavouritekk / bash_rand_select.sh

Created October 6, 2014 08:52

Random select files in bash

	files=(/my/dir/*)
	printf "%s\n" "${files[RANDOM % ${#files[@]}]}"

myfavouritekk / msg.scpt

Last active July 3, 2017 18:21

AppleScript: send message in Messages

	tell application "Messages"
	set theBuddy to buddy "[email protected]" of service "Jabber"
	send "Hi" to theBuddy
	end tell

myfavouritekk / subl_scope.txt

Created September 2, 2014 06:33

Sublime Text Scope Names

	ActionScript: source.actionscript.2
	AppleScript: source.applescript
	ASP: source.asp
	Batch FIle: source.dosbatch
	C#: source.cs
	C++: source.c++
	Clojure: source.clojure
	CoffeeScript: source.coffee
	CSS: source.css
	D: source.d

myfavouritekk / sd.sh

Created August 22, 2014 13:00

OS X: Change directory in Terminal, Sync folder in Finder window.

	# change directory and sync Finder window
	sd () {
	# change terminal directory
	cd "$@" \|\| return
	# sync Finder window or open new one if not exists
	osascript -e "tell application \"Finder\"
	if front Finder window exists then
	set target of front Finder window to (""\"$PWD\""" as POSIX file)
	else
	open (""\"$PWD\""" as POSIX file)

myfavouritekk / change_bash.md

Created August 4, 2014 06:35

Change Bash version on OS X

sudo port install bash

sudo vim /etc/shells

myfavouritekk / tarzip.sh

Last active August 29, 2015 14:04

Linux/Unix: Compress and copy

	# Use tar to direct output to standard output "-" and use gzip to compress
	tar -cf - <source_file> \| gzip -1 > <destination_file>

	# Same effect, be sure to put <destination_file> directly behind -f option
	tar -czf <destination_file> <source_file>

	# Untar
	tar -xzf <tar_file>

myfavouritekk / batchCombine.m

Last active February 21, 2017 00:31

Matlab: Process multiple files and combine the results into a cell array.

	function [combination] = batchCombine(funhandle, indir, varargin)
	%BATCHCOMBINE Process multiple files and combine the results into a cell array
	% BATCHCOMBINE(FUNC, INDIR) processes every file or directory in
	% INDIR using processing funtion FUNC.
	%
	% FUNC is a function handle that takes source filename as input variables.
	% For example, if FUNC = @foo, then BATCHCOMBINE calls foo(infile) to
	% every infile in INDIR.
	%
	% BATCHCOMBINE(..., 'para1', value1, 'para2', value2, ...) takes extra

Kai KANG myfavouritekk

Change Bash version on OS X