You could open the file for read and write, find the line of interest, seek backwards to start of line, then overwrite it. BUT, I agree with MonkE. Text files lines are usually variable length. This means that for the single file approach to work the new line must be exactly the same length as the original.
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
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Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
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Want more info? How to link
or How to display code and escape characters
are good places to start.
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