bash - how to remove lines from "FILE_A" which presents in "FILE_B" ?

Vilmerok · 03-12-2009, 11:28 AM

FILE_A:

string1
foo
bar
string400

FILE_B:

bar
foo
...

FILE_C should be:

string1
string400

bhaslinux · 03-12-2009, 11:40 AM

grep -v -f FILE_C FILE_A > FILE_B

Vilmerok · 03-13-2009, 02:40 AM

Quote:

Originally Posted by bhaslinux

grep -v -f FILE_C FILE_A > FILE_B

Did you test it? It is not working...

openSauce · 03-13-2009, 03:54 AM

Is this homework?

bhaslinux · 03-13-2009, 04:27 AM

$ cat FILE_A
string1
foo
bar
string400
$ cat FILE_C
string1
string400
$ grep -v -f FILE_C FILE_A > FILE_B
$ cat FILE_B
foo
bar

---------
$ grep -V
grep (GNU grep) 2.5.1

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