Commands by nottings (13)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Show available conversions
aliases on each line. i.e. txt2html: $recode ..HTML file.html txt to Base64: $recode ../b64 file.b64 and so on.

Perl Command Line Interpreter
Read, Evaluate, Print, Loop - REPL

shorten url using curl, sed and is.gd
Just create a function in your .bashrc like this shorturl() { curl -s -d URL="$1" http://is.gd/create.php | sed '/Your new shortened/!d;s/.*value="\([^"]*\)".*/\1/' }

Recursive find and replace file extension / suffix (mass rename files)
Find recursively all files in ~/Notes with the extension '.md' and pipe that via xargs to rename command, which will replace every '.md' to '.txt' in this example (existing files will not be overwritten).

Quickly ping range of IP adresses and return only those that are online

Echo the latest commands from commandlinefu on the console
Self-referential use of wget.

Edit 2 or more files in vim using vim -d
Is this not the same

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

Finding files with different extensions
This is the way how you can find header and cpp files in the same time.

Merge files, joining each line in one line
Merge files, joining line by line horizontally. Very useful when you have a lot of files where each line represents an info about an event and you want to join them into a single file where each line has all the info about the same event See the example for a better understanding


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