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| use of format file to extract columns from a source file | subhendu81 | Shell Programming and Scripting | 2 | 12-16-2008 05:14 AM |
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| How to check Null values in a file column by column if columns are Not NULLs | Mandab | Shell Programming and Scripting | 7 | 03-15-2008 09:57 AM |
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I have the following requirement.
file1.txt (this could contain 5 million rows) ABC 1234 XYZ .... (3000 bytes) QRD 4612 GHT .... (3000 bytes) I need to create file2.txt 1234 4612 I have a EAI process to change file2.txt into file3.txt 4555 3743 Then I would have to use file3.txt and repaste this value into file1.txt changed file1.txt ABC 4555 XYZ .... (3000 bytes) QRD 3743 GHT .... (3000 bytes) Any help is appreciated. |
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