Files error codes |
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The default setting is to exit the program, if there is a "file error". This can be: a file can't be opened, or read... However in most cases you want a bit more control over this. You can set the variable "_err_file" to "1" and switch on error handling. Every file operation returns a code to the variable "_file". The codes are defined in the "file.nah" include:
code| error
----+-------------------------
0 | no error
1 | open error
2 | close error
3 | read error
4 | write error
5 | wrong file number
6 | end of file
7 | wrong position in file
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