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Recursively remove all empty directories

This will check if there are any empty directories, or newly emptied directories, in a list of directories. It will then delete all of those directories. It works with gnu find and OSX/BSD find.
This is sample output - yours may be different.
0

for foo in <list of directories>; do while find $foo -type d -empty 2>/dev/null| grep -q "."; do find $foo -type d -empty -print0 | xargs -0 rmdir; done; done

ClashTheBunny · 2012-05-23 08:09:16 1
Count empty lines using grep

This pattern matches empty lines in the file and -c gives the count
This is sample output - yours may be different.
0

grep -c "^$" filename

ankush108 · 2012-06-26 17:43:17 0

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List only executables installed by a debian package

Maybe not clean with big package and too long argument. But return every file who can be executed.

Rename files in batch

Set an alarm to wake up

Sleep 5h and plays the song as a wake up alarm

grep for minus (-) sign

Use flag "--" to stop switch parsing

easily convert one unit to another

Easily convert units of similar measurement. May also be invoked alone, units.

List all symbolic links in current directory

Tested with GNU and BSD ls.

draw mesh

foo <--> german translation with dict.leo.org

Translate strings from non-german to german (and vice versa) using LEO. Put it in your ~/.bashrc. Usage: $ leo words To use another language other than english, use an option: $ leo -xx words Valid language options: ch - chinese en - english es - spanish fr - french it - italian pl - polish pt - portuguese ru - russian The other language will always be german!

Remove security limitations from PDF documents using ghostscript

Remove security from PDF document using this very simple command on Linux and OSX. You need ghostscript for this baby to work.

Make directory including intermediate directories

This will create the intermediate directories that do not exist. I did not know about this for a long time.

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