Array construction in R, Perl, and Python

Array construction in R, Perl, and Python R:

Perl:

Python:

Perl Getopt Long The module check wrong argument…

Perl Getopt::Long. The module check wrong argument but does not check when no argument is provided. In order to check if there is no argument as well as wrong argument, check the argument also.

http://www.perlmonks.org/?node_id=789974

Rename multiple files on Linux If you are…

Rename multiple files on Linux If you are lucky to have rename installed on your system, use it. Rename is a Perl program and can take Perl regular expression.

Or copy the code below. http://www.perlmonks.org/?node_id=632437