Commands tagged Date manipulation (23)

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Delete all non-printing characters from a file
tr has some predefined sets of characters that are more convenient to use than characters codes

Rename files in batch

Exclude multiple columns using AWK
Print all columns except the 1st and 3rd.

Translates a phrase from English to Portuguese
Translates a string from English to Portuguese by using google translator web service.

Generate random valid mac addresses
First set the variable $hexchars: $hexchars="0123456789ABCDEF" Change the number in the first for loop if you need less then 1200 mac addresses

Play online music videos in terminal
pvl 'link1' 'link2' 'link3' Play Youtube, Vimeo, etc links without visual elements. Great for music videos when you just want the audio. You can control mplayer with this! Hit Ctrl-C twice to exit (if you're playing multiple files)

Multi-segment file downloading with lftp
This is for files only, for directories 'mirror' has to be used.

Set all CPU cores' CPU frequency scaling governor to maximum performance

Generate a random password 30 characters long

Get sunrise and sunset times
This will get the sunrise and sunset times of a specific location. To be able to determine $l you need to first go to http://weather.yahoo.com/ and look up your location. The last numbers in the URL will be the $l Instead of forecastrss?w=$l you can also use forecastrss?p=$l and use the RSS link of the city you found. Also see http://developer.yahoo.com/weather/ for more information


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