Re^5: How to loop over two lines, alter a value in the current line and save it to the previous line?

by 1nickt (Canon)

on Jan 07, 2016 at 14:07 UTC ( [id://1152187]=note: print w/replies, xml )

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How does this not accomplish that?


    $previous_line = $current_line = join ' ', @current_cols;
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Comment on Re^5: How to loop over two lines, alter a value in the current line and save it to the previous line? Download Code

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Re^6: How to loop over two lines, alter a value in the current line and save it to the previous line? by rjc33 (Sexton) on Jan 07, 2016 at 14:14 UTC
I've no idea why, but as with the first answer in this thread it seems to make $previous_line always be the first line in the file.	[reply]
Re^7: How to loop over two lines, alter a value in the current line and save it to the previous line? by rjc33 (Sexton) on Jan 07, 2016 at 14:19 UTC
Correction: I just hadn't implemented it properly, that works! Thanks so much! The issue was there was some circularity in my earlier code, part of the calculations I was doing were actually working on the old values (even though I wanted it to use new values on the whole), so once I took those out I could see that what you'd suggested works. Thanks again	[reply]

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