Commands by cellcore (1)

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Change every instance of OLD to NEW in file FILE
Very quick way to change a word in a file. I use it all the time to change variable names in my PHP scripts (sed -i 's/$oldvar/$newvar/g' index.php)

List the URLs of tabs of the frontmost Chrome window in OS X
This also works with Safari if you just change the application name. Replace $ window 1 with $ windows to list the URLs of tabs in all windows instead of only the frontmost window. This also includes titles: $ osascript -e{'set o to""','tell app"google chrome"','repeat with t in tabs of window 1','set o to o&url of t&"\n"&" "&title of t&"\n"',end,end}|sed \$d .

Print today's date in ISO format without calling an external command (bash 4)

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Show (only) list of files changed by commit
Lists ONLY the files changed by the given HASH/HEAD/list of hashes, etc. The message, commit ID, author, etc. is not included

Create a file of a given size in linux

Console clock
A console clock with the current time.

Convert images (jpg, png, ...) into a PDF
Converts images (maybe from scans) into a PDF

Change the primary group of a user

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