Hi,
The following is a rough spec for what I understand to be your issue.
While processing through the file, if this line doesn't match, print the previous line and store this line as the previous line.
However if this line matches don't print the previous line and set the previous line string to "".
By the way, Do you want to keep the closing braces?
print "Good ",qw(night morning afternoon evening)[(localtime)[2]/6]," fellow monks."
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