I hope some day may be done a plugin or something. I applied a freeware from sourceforge to split txt files with success.
But finally applied in the target forum pastebin.com no insert a large txt file. So I only copy and paste from pspad to pastebin.... :-P My problem is that i am not a programmer. But some day i will be if necessary.... ;-) -- Nice program indeed <https://forum.pspad.com/read.php?2,70181,70204> PSPad freeware editor https://www.pspad.com
