fileTell

fileTell( 
p_port 
) 
=> x_offset

Description

Returns the current offset in bytes for the file opened on a port.

Arguments

p_port

Port associated with the file.

Value Returned

x_offset

Current offset (from the beginning of the file) in bytes for the file opened on p_port.

Examples

Let the file test.data contain the single line of text:

0123456789 test xyz

p = infile("test.data")  
=> port:"test.data"
fileTell(p)              
=> 0
for(i 1 10 getc(p))      
=> t    ; Skip first 10 characters
fileTell(p)              
=> 10
fscanf(p "%s" s)         
=> 1    ;s = "test" now
fileTell(p)              
=> 15

Related Topics

infile

isFile

fileSeek

outfile

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