Doriano Blengino wrote: > Les Hardy ha scritto: > >> Hi Ed, >> I figured it out. >> First of all, depending how the text file was emptied/created, the >> contents may not be truely empty. >> Gedit for example leaves the 0A (end-of-line) character in the 'empty' >> file. This is recognised by eof() as a character, so, end-of-file is not >> found. >> I am not sure if this can be considered a bug in Gambas, but it does >> mean an eof() is only good for preventing read errors, and is not >> reliable for testing if a file is empty. >> >> > Just breaking in to say that a file with a EOL in it is not an empty > file - it is a file with an empty line in it... > Given such a file, at first EOF is false; doing a LINE INPUT an empty > line is read, then EOF turns true. Or, at least, it should go this way. > > Regards, > > Your correct, I agree completely, but the original code Ed supplied, ' IF Eof(tfile) ' cannot work , as it checks eof before a read. When I saw he was using eof() that way, and knowing empty files are not always empty, I thought I had found his problem, so I just added a bit of code that should have got around it.
I am sure you will agree, that, whatever other problems he may have, he needs not to use eof() the way he is. Regards Les Hardy ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user
