t/check-non-portable-shell.pl

   1 #!/usr/bin/perl
   2
   3 # Test t0000..t9999.sh for non portable shell scripts
   4 # This script can be called with one or more filenames as parameters
   5
   6 use strict;
   7 use warnings;
   8
   9 my $exit_code=0;
  10
  11 sub err {
  12         my $msg = shift;
  13         print "$ARGV:$.: error: $msg: $_\n";
  14         $exit_code = 1;
  15 }
  16
  17 while (<>) {
  18         chomp;
  19         /\bsed\s+-i/ and err 'sed -i is not portable';
  20         /\becho\s+-n/ and err 'echo -n is not portable (please use printf)';
  21         /^\s*declare\s+/ and err 'arrays/declare not portable';
  22         /^\s*[^#]\s*which\s/ and err 'which is not portable (please use type)';
  23         /\btest\s+[^=]*==/ and err '"test a == b" is not portable (please use =)';
  24         /\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (please use FOO=bar && export FOO)';
  25         # this resets our $. for each file
  26         close ARGV if eof;
  27 }
  28 exit $exit_code;