Commands by yznwclkep (0)

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Rename all .jpeg and .JPG files to have .jpg extension
the "i" controls case sensitiveness. It's slightly inefficient since it uselessly renames .jpg to .jpg, but that's more than compensated by launching only one process instead of two, besides being shorter to write.

Lets Tux say the random fact. [add it to .bashrc to see it in new terminal window]

Shows space used by each directory of the root filesystem excluding mountpoints/external filesystems (and sort the output)

Grab just the title of a youtube video
There's another version on here that uses GET but some people don't have lwp-request, so here's an alternative. It's also a little shorter and should work with most youtube URLs since it truncates at the first &

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

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

Substitute audio track of video file using mencoder
Creates a new video file with video stream copied from input file and a different audio stream

create an incremental backup of a directory using hard links
dname is a directory named something like 20090803 for Aug 3, 2009. lastbackup is a soft link to the last backup made - say 20090802. $folder is the folder being backed up. Because this uses hard linking, files that already exist and haven't changed take up almost no space yet each date directory has a kind of "snapshot" of that day's files. Naturally, lastbackup needs to be updated after this operation. I must say that I can't take credit for this gem; I picked it up from somewhere on the net so long ago I don't remember where from anymore. Ah, well... Systems that are only somewhat slicker than this costs hundreds or even thousands of dollars - but we're HACKERS! We don't need no steenkin' commercial software... :)

Find passwords that has been stored as plain text in NetworkManager

List only directories, one per line


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