Command Line Arguments

1
Command Line Arguments
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Command Line Arguments

• Similar (yet different) to C/C
• in C/C
• argv contains program name and arguments
• argc contains number of arguments plus one
• in Perl
• _at_ARGV contains list of arguments
• 0 contains program name

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Examples

• myscript 15 4 hello
• array _at_ARGV ? (15, 4, hello)
• scalar 0 ? myscript
• scalar(_at_ARGV) ? 3
• myscript
• _at_ARGV ? ( )
• 0 ? myscript
• scalar(_at_ARGV) ? 0