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Old 05-05-2006, 05:21 PM   #1
camaroblue87
LQ Newbie
 
Registered: Apr 2006
Posts: 3

Rep: Reputation: 0
Stuck on a Homework question


Ok i have a file named directory that contains this:

Computer Science 163 William St
Biology 1 New Plaza
Graduate Center 1 Smith Ave

And i am suposed to write a script that will take a department as a parameter and say if it is a match or not here is what i have so far.

Code:
#!/bin/sh
grep $1 directory
if(grep -w $1 `grep $1 directory` )
then
    echo there is a match
else
    echo no such department
fi
the problem is that grep returns the whole line and i dont know how to compare that to the parameter. like if i did

search "Biology"
grep "Biology" would return (Biology 1 New Plaza)

i think i need the if statment to compare like this
ie: if("Biology" = "Biology")


any ideas? thanks
 
Old 05-05-2006, 05:37 PM   #2
ataraxia
Member
 
Registered: Apr 2006
Location: Pittsburgh
Distribution: Debian Sid AMD64
Posts: 296

Rep: Reputation: 30
Code:
#!/bin/sh
if(grep -q "$1" directory )
then
    echo there is a match
else
    echo no such department
fi
Quote your $1 in case there is a space in it.
"-q" for grep means "just say if it worked, don't print anything".
 
Old 05-06-2006, 10:52 AM   #3
camaroblue87
LQ Newbie
 
Registered: Apr 2006
Posts: 3

Original Poster
Rep: Reputation: 0
Thanks so much that worked great!
 
  


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