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  1. #!/usr/bin/perl
  2. $list = "error";
  3. $err = system "grep i 'error' $list";
  4. print ("value",$err);
Success #stdin #stdout 0s 4596KB
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stdin
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Standard input is empty
stdout
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value-1
https://ideone.com/otZ8L
language:
Perl (perl 5.28.1)
created:
14 years ago
visibility:
public

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