Overwrite input file using awk

Question

I have the following line of code:

awk -F, \'{printf \"%09d,%d\\n\" ,$1,$2}\' $newDir/$processNew

and it does what I want it to, but instea

Answer 1

If you want to override the source file, you need to use a temporary file file:

awk -F, '{printf "%09d,%d\n" ,$1,$2}' $newDir/$processNew > tmp && mv tmp $newDir/$processNew