The make test-lint could check for some common non portable
grep usage:
The + as a qualifier is not a "basic regular expression".
Some grep understand \+, but in general egrep should be used.
The \t can not be used to find an ASCII TAB, neither
can \s be used to find a whitespace
Signed-off-by: Torsten Bögershausen <tboegi@xxxxxx>
---
t/check-non-portable-shell.pl | 2 ++
1 file changed, 2 insertions(+)
diff --git a/t/check-non-portable-shell.pl b/t/check-non-portable-shell.pl
index ff87611..58f8e2c 100755
--- a/t/check-non-portable-shell.pl
+++ b/t/check-non-portable-shell.pl
@@ -16,6 +16,8 @@ sub err {
while (<>) {
chomp;
+ / e?grep\s+\"[^"]*\\([st])/ and err "grep \\$1 is not portable)";
+ / [^e]grep.*\\\+/ and err 'grep with \+ is not portable (please use egrep)';
/^\s*sed\s+-i/ and err 'sed -i is not portable';
/^\s*echo\s+-(\S)\s+/ and err "echo -$1 is not portable (please use printf)";
/^\s*declare\s+/ and err 'arrays/declare not portable';
--
1.8.2.1.614.g66d7af5
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