close $f;
}
+my $line = '';
while (<>) {
chomp;
+ $line .= $_;
# stitch together incomplete lines (those ending with "\")
- while (s/\\$//) {
- $_ .= readline;
- chomp;
- }
+ next if $line =~ s/\\$//;
+ $_ = $line;
/\bcp\s+-a/ and err 'cp -a is not portable';
- /\bsed\s+-i/ and err 'sed -i is not portable';
+ /\bsed\s+-[^efn]\s+/ and err 'sed option not portable (use only -n, -e, -f)';
/\becho\s+-[neE]/ and err 'echo with option is not portable (use printf)';
/^\s*declare\s+/ and err 'arrays/declare not portable';
/^\s*[^#]\s*which\s/ and err 'which is not portable (use type)';
/\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (use FOO=bar && export FOO)';
/^\s*([A-Z0-9_]+=(\w+|(["']).*?\3)\s+)+(\w+)/ and exists($func{$4}) and
err '"FOO=bar shell_func" assignment extends beyond "shell_func"';
+ $line = '';
# this resets our $. for each file
close ARGV if eof;
}