Hi, I am trying to run a perl command through linux console using filehandle ($_ sign) in order to indicate a file to use when running the command. The commands from the code snippet below are from https://metacpan.org/pod/ntheory

For example, I have the following number in input.txt: 147416345806550029415781910597841 Running with Windows: 
>perl -Mntheory=:all -nE "chomp; say is_prime($_);" input.txt
1
>perl -Mntheory=:all -nE "chomp; say length($_);" input.txt
33

[download]
Running on Linux however I get: 
>perl -Mntheory=:all -nE "chomp; say is_prime($_);" input.txt
Parameter 'inputtxt' must be a positive integer at -e line 1, <> line 
+1.
>perl -Mntheory=:all -nE "chomp; say length($_);" input.txt
Parameter 'inputtxt' must be a positive integer at -e line 1, <> line 
+1.

[download]
Does anyone know how to fix this? I'm not sure how perl (shell) via Linux works? How do I get the same output as Windows? Thanks for help!

In reply to Linux file handle not working by pvfki

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