How to pass file text into find command


 
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# 1  
How to pass file text into find command

Hi all,

I have a large text file and also a smaller list of program names. I want to find out how many of those programs exist in the large text file. Can someone help me with the command/script please. The program list is along the lines of
tranwe2
tranwe3
tranye5

etc

so basically I want to reaad that list in line by line and then try to find that name in the large file...

Cheers
# 2  
Code:
grep -f namefile textfile

might be a good place to start.

There are quite a lot of other ways you could process the two files, but it depends on exactly what output you need and what you're going to do with it.
# 3  
Sorry forgot to say it's SunOs. The grep command doesn't work:

Usage: grep -hblcnsviw pattern file . . .
# 4  
Use /usr/xpg4/bin/grep.
This User Gave Thanks to CarloM For This Post:
# 5  
Cheers Carlo,
Is there an easy way for it to report back what programs are not found?
# 6  
If both files are in the same format, you can do:
Code:
join -v 1 namefile textfile

EDIT: You'll probably need to sort the files first:
Code:
join -v 1 <(sort namefile) <(sort textfile)

 

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