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

Perl oneliner to print access rights in octal format
This prints file access rights in octal - useful when "stat" is unavailable.

Undo several commits by committing an inverse patch.
Use this to make a new commit that "softly" reverts a branch to some commit (i.e. squashes the history into an inverse patch). You can review the changes first by doing the diff alone.

Build an exhaustive list of maildir folders for mutt
Of course, you can adjust "Maildir" to your config...

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

Scan all open ports without any required program

Takes and displays screenshot of Android phone over adb.
Dependencies on phone: adb access, screencap command, base64 command. Dependencies on computer: adb, sed, base64, display (from imagemagick, but can substitute other image viewer which reads from stdin). This should work around adb stupidies (i.e. that it replaces \n with \r\n) with base64.

Batch File Rename with awk and sed

Get your commandlinefu points (upvotes - downvotes)
Like command #4845, prints score, number of entries, and average score.

Save xkcd to a pdf with captions
Saves to a PDF with title and alt text of comic. As asked for on http://bbs.archlinux.org/viewtopic.php?id=91100 Change xkcd.com to dynamic.xkcd.com/comics/random for a random comic.


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