find . -name R[oO][oO][tT] | xargs grep -v "cvs.sourceforge" 2>/dev/null | perl -lnaF: -e "$F[0] =~ s{^./}{}; print $F[0]" Can't modify single ref constructor in substitution (s///) at -e line 1, near "s{^./}{};" Execution of -e aborted due to compilation errors.