<< fsize

Stream manager

fwrite >>

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ftell

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Returns the offset of the current byte relative to the beginning of a file.

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Syntax

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p = ftell(fid)

Input argument

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fid

a file descriptor

Output argument

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p

an integer value: position of the file pointer as the number of characters from the beginning of the file.

Description

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ftell returns the offset of the current byte relative to the beginning of the file associated with the named stream fid.

Example

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TXT = 'example about ftell.';
fileID = fopen([tempdir(), 'ftell.txt'],'wt');
fprintf(fileID, TXT);
p1 = ftell(fileID)
fseek(fileID, SEEK_CUR, 'bof');
p2 = ftell(fileID)
status = fclose(fileID);

See also

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fopen, fprintf, fclose, fseek.

History

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Version	Description
1.0.0	initial version

Author

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Allan CORNET