How to extract a value (in a specific row and column) from a file and assign it to a new variable
To store the output of a command in a variable, use :
variable=$( commandFooBar )
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You are mixing up two different shell operators.
The >
redirect, will redirect output to a file. So to get your example to work, you could use:
awk 'NR == 2 {print $3}' a.txt > price
cat price # display contents of file named price
The $
refers to a variable, so to get your echo
to print out the variable, you would first have to set it from the output of the previous. Like so:
price=$(awk 'NR == 2 {print $3}' a.txt)
echo "$price"