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Grex General Item 19: Hello, Grex!
Entered by papa on Fri Jan 27 07:11:47 UTC 2017:

1 new of 37 responses total.


#14 of 37 by tod on Wed Mar 1 00:39:15 2017: 

I need to identify which words in a list do not exist in in a file called
widgetlist. Can I create a pattern file called "widgets" with each widget in
it on their own line; then, grep against a file called "widgetlist" to see
which widgets are not in it?
grep -fL widgets widgetlist

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