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Shell Programming and Scripting

input a string and copy lines from a file with that string on it

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# 1  
Old 06-28-2011
input a string and copy lines from a file with that string on it
i have a file1 with many lines. i have a script that will let me input a string. for example, APPLE. what i need to do is to copy all lines from file1 where i can find APPLE or any string that i specify and paste in on file 2

thanks in advance!
# 2  
Old 06-28-2011
assignment here
Homework & Coursework Questions - The UNIX and Linux Forums
# 3  
Old 06-28-2011
no, it's not an assignment.

string=$word

i used awk '/$word/' input_file but it failed
# 4  
Old 06-28-2011
for awk

try -v option

Code:
 
awk -v word=$word ' /$word/ ' file

# 5  
Old 06-28-2011
Quote:
Originally Posted by itkamaraj
for awk

try -v option

Code:
 
awk -v word=$word ' /$word/ ' file

Should be:
Code:
awk -v word=$word ' $0 ~ word' file

With grep:

Code:
grep "$word" file

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