Question

I have this file

myfile

a b c d e 1  
b c s d e 1  
a b d e f 2  
d f g h j 2  

awk 'if $6==$variable {print @0}' myfile

How can I use this code in shell script that get $variable as parameter by user in command prompt?

Answer 1

You can use awk‘s -v flag. And since awk prints by default, you can try for example:

variable=1
awk -v var=$variable '$6 == var' file.txt

Results:

a b c d e 1
b c s d e 1

EDIT:

The command is essentially the same, wrapped up in shell. You can use it in a shell script with multiple arguments like this script.sh 2 j

Contents of script.sh:

command=$(awk -v var_one=$1 -v var_two=$2 '$6 == var_one && $5 == var_two' file.txt)
echo -e "$command"

Results:

d f g h j 2