syntax error at ./claskri.pl line 13, near "(if" Global symbol "$saba" requires explicit package name at ./claskri.pl line 13. syntax error at ./claskri.pl line 16, near "else" Global symbol "$i" requires explicit package name at ./claskri.pl line 17. Global symbol "$saba" requires explicit package name at ./claskri.pl line 17. syntax error at ./claskri.pl line 18, near "else" Execution of ./claskri.pl aborted due to compilation errors.