Monthly Archives: March 2012

The cut command, as the man page states, “removes sections from each line of a file.”  The cut command can also be used on a stream and it can do more than just remove section.  If a file is not … Continue reading →

The tr, or translate (aka: transliterate) command, substitutes one more characters for another set of characters or it will delete a specified set of characters.  The tr command takes input from standard in and writes to standard out.  This simple … Continue reading →

The qrencode application is a tool to rapidly produce qrcodes.  Qrcodes are handy little images that embed information many cell-phone cameras can read to do a number of tasks like provide a link to install applications, provide links to web … Continue reading →