[solved] Problem sorting dictionary file

[tibit]

First of all, thank you for your help!

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it sounds like you are hitting and EOF character

If this is the reason, how can I remove these 'End Of File' characters or keyboard characters when they are not read? How can I recognise them?

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how much free disk space do you have?

I have 16Gb Ram, but a primary drive (C) of only 128Gb (SD) with 22Gb free space and a second drive of 1Tb split in two (200=D with 130Gb free, 800=E with 250Gb free space)