For the getc
you better read the doc (or follow the link)
as it will be more accurate and clear than I could ever be.
(anyway perldoc and/or SuperSearch and/or the camel book, must now be a a reflex for you Perl lover ;-)
Now for the use of the more command,
just forget about using 'more' IN your script, use it the unix way
(joining several simple but efficient commands to do a complex task...) via pipe.
Only display the lines on the screen in your script and then using 'more' for the paging part :
perl yourscript.pl | more
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