Node:Advanced options, Previous:Practicing, Up:Top
To change the Parameters, at this time you have to edit the constants at the beginning of the Perl Script.
The variable $CHUNK defines the "average" number of characters per chunk. This is not very accurate, but a bigger number makes the chunks bigger, while a smaller number makes the chunks smaller.
2 or 3 pretty much guarantees one word per chunk, 6 should be manageable for beginners.
The variable $VCHUNK defines the number of lines per chunk. The default is 0 as you probably don't want to do this right away, but only after some practicing.