17:00 >perl 1823_SoPW.pl
1..2
ok 1 - Only ASCII in ascii.txt
not ok 2 - Only ASCII in umlaut.txt
#   Failed test 'Only ASCII in umlaut.txt'
#   at 1823_SoPW.pl line 38.
#   non ASCII character sequence 0xc3, 0xb6 at line 5 in umlaut.txt
# Looks like you failed 1 test of 2.

17:00 >