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file line access

Old posts that have not been replied to for several years.
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Nada_Surf

Post by Nada_Surf »

after opening a file how does one manipulate a single line in the file?
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Nada_Surf

Post by Nada_Surf »

say i want to change line 1 or line 5 .. etc
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stdragon
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Post by stdragon »

Read in the whole life, change the line in memory, write out the whole file. You can't really change one single line unless the new line is the exact same length, or you use a special file format like a database that has fields and padding and stuff.
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