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10-23-2008
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Use loop in sed or awk?
I know a little bit of sed and awk, but not too much. can loop be done in sed.
Baiscally what I want is: file1: aaa 111 bbb 222 ccc 333 ddd 444 eee 555 fff 666 Note: the space in between is "tab" file2: bbb ddd eee I want delete any entries in file1 which starts with entries in file2. The output I want is: aaa 111 ccc 333 fff 666 I wrote a script by using "read" command, it works but all the "tab"s replaced by space. I'm looking for the solution of sed or awk. but don't know how to use loop inside sed. Or any better way to achieve this. Please help. Thanks... |
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