The previous tip showed how you can change filenames in a given directory uisng the command line. If you need to use perl to programatically change file names you can use the rename perl function. Often times I need to iterate through a directory and change names of files based on a given condition. Here [...]
Here I am changing a whole directory of file names. I am changing the extension of any file with the .tif extension to .jpg.
ls *.jpg | awk ‘{print(”mv “$1″ “$1)}’ | sed ’s/.jpg/.tif/2′ | /bin/sh
Of course you can change the sed regular expression to change it to whatever you want to change the file names [...]
To use the terminal to print a postscript page of a man page use these commands:
groff -Tps -man /usr/share/man/man7/groff.7 | lpr -P LaserWriter_8500
I’m using an Apple Laserwriter 8500. To find the printers available to your lpr command use the command lpstat -a to list them. If there isn’t a printer available, you will need to [...]
