input - How to read a value on a specific line in an external file into an AWK script -


input file:

2 5 7 1 2

modifier file (external file):

4 6 2 7 9

what want achieve is, summarizing line1 input file line1 external file.

awk script:

sum=$1+[value of line 1 on modifier file]; printf("%s\n", sum);

expected output:

6 11 9 8 11 

$ awk 'nr==fnr{m[nr]=$0;next} {print $0+m[fnr]}' modifierfile inputfile 6 11 9 8 11

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