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UNIX SHELL taking in 2 words

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# 1  
Old 10-03-2010
UNIX SHELL taking in 2 words
echo apple orange

What command would I use to grab the common letters out of both words?

output would be

a and e are both common in these 2 words!

Please no ruby explanations and please no full answers I just need to know how to get started!

Could I sed out a and if the variable =aa then I could have a new variable which would be my output = a is common
Is there a way to take whatever was seded out and set it equal to a variable?
Last edited by shellmybell; 10-03-2010 at 03:33 PM..
# 2  
Old 10-03-2010
... and no forum rule violations.....

Homework / classwork should be posted in the homework forum. Do you know where that forum is?
# 3  
Old 10-03-2010
Quote:
Originally Posted by Neo
... and no forum rule violations.....

Homework / classwork should be posted in the homework forum. Do you know where that forum is?
Google?
# 4  
Old 10-03-2010
You can post homework in this forum, if you follow the special rules for posting homework:

Homework & Coursework Questions - The UNIX and Linux Forums
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