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Join?

 
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# 8  
Old 10-25-2014
Here's another option:
Code:
join -t'~' -v1 <(sed 's/\t/~/2' file1|sort) file2 | tr '~' '\t'

EDIT:
Code:
join -t'~' -v1 <(sed 's/	/~/2' file1|sort) file2 | tr '~' '	'

Last edited by jethrow; 10-26-2014 at 02:15 PM..
# 9  
Old 10-26-2014
Note: \t to denote a TAB character is a GNU sed extension
# 10  
Old 10-27-2014
Code:
fgrep -v -f  file2 file1

 
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