Commands tagged ack (8)

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Batch rename extension of all files in a folder, in the example from .txt to .md
Same thing using bash built-in features instead of a sub-shell.

MPD + Digitally Imported
1.- Enter into the playlist path. 2.- Run the command. 3.- Playlists created!

download newest adminer and rename to it's version accordingly
If the version already downloaded. it will not download again

pretty print JavaScript source code
https://github.com/mishoo/UglifyJS

Find common groups between two users
Updated according to flatcap's suggestion, thanks!

Migrate existing Ext3 filesystems to Ext4
Before doing this, back-up all data on any ext3 partitions that are to be converted to ext4. After running previous command you MUST run fsck, is needed to return the filesystem to a consistent state. $ fsck -pDf /dev/yourpartition Edit /etc/fstab and change the 'type' from ext3 to ext4 for any partitions that are converted to ext4.

Better git diff, word delimited and colorized
I've been using colordiff for years. wdiff is the new fav, except its colors. Word delimited diffs are more interleaved, easing the chore of associating big blocks of changes.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Connect to TCP port 5000, transfer data and close connexion.
With no '-q 0' switch, nc simply waits, and whatever awaits the data hangs.


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