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file1:
a
b
c
d
e

file2:
aaaaa
bbbbb
ccccc
ddddd

Output desired:
e

Output of grep -vf file2 file1:
a
b
c

Hi folks,

I've been using grep -f file1 file2 to get lines that match a file1 line from file2. I'm now interested in getting the lines from file1 where there was no match in file2.

I...