Commands by hal (1)

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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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copy last command to clipboard
Copy the last command to clipboard (os x)

Monitor progress of a command
Pipe viewer is a terminal-based tool for monitoring the progress of data through a pipeline. It can be inserted into any normal pipeline between two processes to give a visual indication of how quickly data is passing through, how long it has taken, how near to completion it is, and an estimate of how long it will be until completion. Source: http://www.catonmat.net/blog/unix-utilities-pipe-viewer/

Change a specific value in a path
Awk replaces the value of a specific field while retaining the field separator "/" .

Generate binary sequence data

Generate a list of installed packages on Debian-based systems

Rename files in batch

for loop with leading zero in bash 3

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

Find the location of the currently loaded php.ini file
Quick and easy way to find out which php.ini file is being used. Especially useful if you just need to find the location of the file for editing purposes.

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" }


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