1 #diff --new-line-format="+%L" --old-line-format="-%L" --unchanged-line-format="&%L" .rem_cache.tmp1.sort3 .rem_cache.tmp1.sort5
2 #diff -a --suppress-common-lines .rem_cache.tmp1.sort3 .rem_cache.tmp1.sort5
5 grep -vxf .rem_cache.tmp1.sort3 .rem_cache.tmp1.sort5
6 ##-x whole line match ^..$
7 #comm works only with "sort" not "sort -V" or other
8 ##comm -23 --nocheck-order /tmp/file1 /tmp/file3