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Date: Sat, 6 Feb 2021 02:38:03 -0800 (PST)
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Subject: Re: questions on input/output
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Dmitry A. Kazakov schrieb am Samstag, 6. Februar 2021 um 10:36:08 UTC+1:
> On 2021-02-05 23:50, Mehdi Saada wrote: 
> 
> > I need: to read a character, until some marker, then go back (set_col(stored_position)) and read again but store it like Get(variable, FILE); then go past the marker (set_col(FILE,col(file)+1)).
> Do not do it, bad idea anyway. The esoteric features of Text_IO like 
> columns etc are not portable. Use Stream_IO instead.

What do you mean by "not portable"?

See:
A.10.5 Operations on Columns, Lines, and Pages