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Consider the difference between || and &&

Hi,

You are using a loop that is never exited, no matter what the input.
Also, there is a difference between a string comparison and a numerical comparison.
A case statement can only match...

The bracket, [ and ] characters, must have at least one space (or end of line) surrounding them - [ is a keyword just like if

Hmmm - that request looks pretty much like homework.

Do not post classroom or homework problems in the main forums. Homework and coursework questions can only be posted in this forum...