On 4/5/21 6:01 PM, Bruno Haible wrote:
Wonderful! Thank you. Both solutions work fine with the 'awk' on Alpine Linux (BusyBox v1.32.1).
It looks like you're talking about a simple one-field-per-line join. If so, the following should also work and is simpler:
grep -Fvf file2 file1 though it might not scale as well as 'awk'.