doc: clarify the position argument for fs.read

What happen to the file position after a read using a position null or integer was not clear and you can assume that the cursor of the file descriptor is updated even if position is an integer. PR-URL: #14631 Fixes: #8397 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Tobias Nießen <[email protected]>
nodejs · Aug 10, 2017 · d604173 · d604173
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commit d604173
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/doc/api/fs.md b/doc/api/fs.md
@@ -1640,7 +1640,9 @@ Read data from the file specified by `fd`.
 `length` is an integer specifying the number of bytes to read.
 
 `position` is an integer specifying where to begin reading from in the file.
-If `position` is `null`, data will be read from the current file position.
+If `position` is `null`, data will be read from the current file position, 
+and the file position will be updated for subsequent reads.
+If `position` is an integer, the file position will remain unchanged.
 
 The callback is given the three arguments, `(err, bytesRead, buffer)`.