On 2022-01-30 20:12, H wrote: > I am writing a long bash script under CentOS 7 where perl is used for > manipulating some external files. So far I am using perl one-liners to > do so but ran into a problem when I need to append text to an external > file. Rewrite the whole thing in Perl. Over the years, I have rewritten scores of bash scripts in Perl, and they 1. execute much faster, 2. don't lose variables from while loops, 3. can use any of the thousands of CPAN modules, 4. can use libraries, and on and on. Todd Merriman Software Toolz