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01-29-2008
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Question about 'sed'
Hi all:
I understand that the following action: sed '1s/a/b/' f will search the first line of f and find the first ocurrence of a then replaced by b. But, instead of specify a character or string, is there any way I can specify the column(s) we want to replace then replace it by using 'sed'? Thanks for help. 
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