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If you need to delete lines that may contain space characters (such as tabs or spaces) as well as empty ones, try:
Just an alternative.
This command takes a 1280x1024 p picture from the webcam.
If prefer it smaller, try changing the -s parameter: qqvga is the tiniest, vga is 640x480, svga is 800x600 and so on.
Get your smile on and press enter! :)
Shows the path if the module is installed or exit quietly (to simply avoid the 'No documentation found' msg).
Using perl and tput, show all the colors with numbers that your actual $TERM can handle.
If want to remove the numbers at beginning of new line, it should be something like this:
perl -E 'say `tput setb $_`," "x `tput cols`, `tput sgr0` for 0 .. (`tput colors` - 1)'
Just another FizzBuzz in Perl.
Print environment (system) information using Perl.
Perl alternative to list symlinks with a clumsy regexp filter: place the regex instead of he example 'libxml' and end it with a wildchar to see the results (previous cd on dir).
Is it possible change the '-l' test for '-d' and it will search for directories. [Same applies for -x and -X. See $(perldoc -f -x) for more tests].
I use it quite often when dealing with shared libraries...
Silly Perl variant.
Just want to post a Perl alternative.
Does not count hidden files ('.' ones).