But where are we specifying the filename here ?...
"We" are using ARGV, the special filehandle that iterates over command-line filenames in @ARGV, from the CLI.

If you tell me, I'll forget.
If you show me, I'll remember.
if you involve me, I'll understand.
--- Author unknown to me

In reply to Re^5: Deleting first and last lines of a text file by 2teez
in thread Deleting first and last TWO(2) lines of a text file by vsmeruga

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