euse doesn't work here. Looks like the grep expressions aren't correctly escaped: grep -v '(^#|^ *$)' file should be grep -v '\(^#\|^ *$\)' file. Reproducible: Always Steps to Reproduce: 1. 2. 3.
Search... *** This bug has been marked as a duplicate of 75525 ***
did. but wouldn't declare it as RESOLVED/FIXED if the current stable gentoolkit package still contains the bug...