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Find a pattern in a single line


 
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# 8  
Old 09-03-2009
Quote:
Originally Posted by akashtcs
ok thanks...
But this will return the whole line.How do we implement in a if condition?
Code:
if [ pattern is matching in the variable ]
then
do something
fi


It is always a good idea to use search.

you can also do something like this:

Code:
found=$(echo $line| grep '$var')
if [ "$found" ]; then
 do something
else
 do something else
fi

# 9  
Old 09-03-2009
How to implement it if we have to search patten with a space in between?
If we have to search for "rama raja" in the line "rama raja roha".
This is not working.
# 10  
Old 09-03-2009
grep will handle the spaces.

Code:
echo "rama raja roha" | grep "rama raja"
rama raja roha

# 11  
Old 09-03-2009
If your search string has space in it and if you put the search string in double quetes, it will find it for you. And better read the below link for more...

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