I saw they differ in 1 additional byte...

And you don't want to share what that byte's value and offset were? Maybe even which file had the extra byte? That information might lead to you getting a much more detailed and/or useful response (at least faster).

I couldn't find a match there for the 'l5Z*d*' format the routine above uses...

That is just 'l' (lower-case L) to be used on 5 arguments, 'Z' to be used on one argument with '*' meaning to just take the length from the argument, and 'd' to be used on each of the remaining arguments ('*').

- tye        

In reply to Re: Write Matlab binary MAT-files from Perl (which byte) by tye
in thread Write Matlab binary MAT-files from Perl by Anonymous Monk

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