using variable in sed


 
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# 1  
Old 11-21-2008
MySQL using variable in sed

i need to use a value in the Variable to print a particular line from a file using sed command.

i tried the below one but its is not working

sed -n ' "$var"p ' abc.txt

but its is not working please help me to sort out this.
# 2  
Old 11-21-2008
Hammer & Screwdriver Why not grep

grep "$variable" myfile
# 3  
Old 11-21-2008
You have to used double quotes instead of single quotes:

Code:
sed -n "${var}p" abc.txt

instead of

Code:
sed -n ' "$var"p ' abc.txt

Grep won't help here as i suppose you want to print out a specific line.

HTH Chris
# 4  
Old 11-22-2008
thanks a lot chris its working Smilie thanks
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