Commands by jny (1)

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save date and time for each command in history
for the change stay in your history file , export command by writing it into your .bashrc

Remove comments in XML file
In Redhat, xmlstarlet is called just xml which can be found in xmlstarlet RPM.

Convert decimal numbers to binary
Convert some decimal numbers to binary numbers. You could also build a general base-converter: $ function convBase { echo "ibase=$1; obase=$2; $3" | bc; } then you could write $ function decToBun { convBase 10 2 $1; }

Shows space used by each directory of the root filesystem excluding mountpoints/external filesystems (and sort the output)
Useful to see at glance which directory under the root file is using most space

Get length of current playlist in xmms2

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)
Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

Find the package that installed a command

Postpone a command [zsh]
When writing on the command line of zsh, by pressing Alt+q the command will be cleaned, and you can insert another one. The command you were writing will be recorder, and pasted on the prompt immediately after the "interrupting" command is inserted.

Find the package a command belongs to on debian-based distros
Advanced revision to the command 8776 . This revision follows symbolic links. The quotation-marks surrounding $(which $1) allows for graceful handling of errors ( ie. readlink does not complain incase 'which' command generates (null) output)

LIST FILENAMES OF FILES CREATED TODAY IN CURRENT DIRECTORY
Then pipe to 'xargs ls' for a familiar listing, possibly using find's -print0 and xarg's -0 options.


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