The '>' symbol instructs the shell to redirect the STDOUT output to the file named 'program_after_EyeDrops'. The shell determines this before launching perl, and this information is not available to perl.

Here's a tutorial on redirection when using bash.

In reply to Re: Using @ARGV with an ‘>’ in the command line by imp
in thread Using @ARGV with an ‘>’ in the command line by chinamox

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