This series should fix the portability problem you saw (in the final patch), and fixes the failure to use PERL_PATH along the way.
[1/4]: t0021: use write_script to create rot13 shell script [2/4]: t0021: put $TEST_ROOT in $PATH [3/4]: t0021: use $PERL_PATH for rot13-filter.pl [4/4]: t0021: fix filehandle usage on older perl t/t0021-conversion.sh | 30 ++++++++++++++++-------------- t/t0021/rot13-filter.pl | 2 +- 2 files changed, 17 insertions(+), 15 deletions(-) mode change 100755 => 100644 t/t0021/rot13-filter.pl
