I have two input files
28a39a289906c01159f999a68996091a [email protected]
274d1d2c7e931fb55ac0c91dd41f2be7 [email protected]
44d25d3b1b70b240d5058f1be1cef576 pers[email protected]
2227a768f6d253b7bf81bb4ecb15b52d [email protected]
and
28a39a289906c01159f999a68996091a
274d1d2c7e931fb55ac0c91dd41f2be7
44d25d3b1b70b240d5058f1be1cef576
2227a768f6d253b7bf81bb4ecb15b52d
i'm trying to exclude all the rows in file 1 where file2 and file1 have a matching column 1.
md5 suppression.
What i could find was awk 'NR==FNR{a[$1]=$0;next}{print a[$2]}' $1 $2
which i know is pretty close just not sure what i did before to do what i want to do now.