On 4/19/05, Ghislain Mary <nospam / lunacymaze.org> wrote:
> 
> But can't we open a file in read-write mode and directly do
> substitutions in it without using an auxiliary file?
> 
You can use IO.pos to seek within a file, however what will you do if
your substitute string is not the same length as the original string?
Files have no concept of insert/delete.


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