Perl Programming Question:

How do I read command-line arguments with Perl?

Tweet Share WhatsApp

Answer:

With Perl, command-line arguments are stored in the array named @ARGV.
$ARGV[0] contains the first argument, $ARGV[1] contains the second argument, etc.
$#ARGV is the subscript of the last element of the @ARGV array, so the number of arguments on the command line is $#ARGV + 1.
Here's a simple program:
#!/usr/bin/perl
$numArgs = $#ARGV + 1;
print "thanks, you gave me $numArgs command-line arguments.n";
foreach $argnum (0 .. $#ARGV) {
print "$ARGV[$argnum]n";
}

Download Perl Programming PDF Read All 46 Perl Programming Questions
Previous QuestionNext Question
How to concatenate strings with Perl?When would local $_ in a function ruin your day?