blob: 03dc9d28525730cdf57c74d13cab22da59dcdfbd [file] [log] [blame]
# Test for non portable shell scripts
# This script can be called with one or more filenames as parameters
use strict;
use warnings;
my $exit_code=0;
sub err {
my $msg = shift;
print "$ARGV:$.: error: $msg: $_\n";
$exit_code = 1;
while (<>) {
/\bsed\s+-i/ and err 'sed -i is not portable';
/\becho\s+-[neE]/ and err 'echo with option is not portable (please use printf)';
/^\s*declare\s+/ and err 'arrays/declare not portable';
/^\s*[^#]\s*which\s/ and err 'which is not portable (please use type)';
/\btest\s+[^=]*==/ and err '"test a == b" is not portable (please use =)';
/\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (please use FOO=bar && export FOO)';
# this resets our $. for each file
close ARGV if eof;
exit $exit_code;