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  1. #!/usr/bin/perl
  2.  
  3. my $a = 123; 
  4. my $b = ".txt"; 
  5. print sprintf("%s%s", $a, $b);
Success #stdin #stdout 0s 5992KB
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stdin
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Standard input is empty
stdout
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123.txt
https://ideone.com/kSVoaS
language:
Perl (perl 5.28.1)
created:
8 years ago
visibility:
secret

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