"Can someone help me?"

You could fix the problems perl tells you about when you try to run the script?

Variable "$mio" is not imported at x.pl line 18.
Variable "$mio" is not imported at x.pl line 22.
Variable "@words2" is not imported at x.pl line 31.
Global symbol "$mio" requires explicit package name at x.pl line 18.
Global symbol "$mio" requires explicit package name at x.pl line 22.
Global symbol "$line" requires explicit package name at x.pl line 30.
Global symbol "@words2" requires explicit package name at x.pl line 31
+.
Global symbol "$line" requires explicit package name at x.pl line 31.
Global symbol "$line2" requires explicit package name at x.pl line 34.
Global symbol "@words" requires explicit package name at x.pl line 38.
Global symbol "$line2" requires explicit package name at x.pl line 38.
Global symbol "@words" requires explicit package name at x.pl line 43.
Execution of x.pl aborted due to compilation errors.
[download]

You've been told this before. Also, use the three argument open, and report on errors (for exmaple ... or die "cannot open < input.txt: $!";).

• perlintro
• http://learn.perl.org
• http://perldoc.perl.org
• The tutorials section of this site, Use strict warnings and diagnostics or die, Debugging and Optimization

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