The notion was to break up the long line by inserting newlines every 10 values.

But, if IDL accepts that, then it would be far easier to just put one value per line: 

my $array1 = join "\n", @array1;
...

arr1 = '$array1'
...

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In reply to Re^3: how to increase input buffer size in perl? by BrowserUk
in thread how to increase input buffer size in perl? by shooter714

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