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Replacing a line in a text file

Comment:

i have a text file which has got 2 lines and i need to replace the first line with someother line. i tried using sed, but in vain as there is a catch inthe text file from where am reading the text. The second line just ends up there without a trailing line. And if at all i use sed, it is not working. Any help on this would be appreciated

Reply:

I'm not understanding this statement: >>The second line just ends up there without a trailing line. Could it be the last line doesn't have a terminating Line Feed? If that's the case, try this: echo "" > yourtestfile and then try your sed command.

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Reply:

show a sample input file. and describe properly what you want to see as output

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Which version of Linux?

Nvidia Drivers -Sabayon 4...

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