--- name: tell status: documented runtime: pp source: src/runtime/pp/io.rs --- ```{index} single: tell; Perl built-in (pp runtime) ``` # tell ## Synopsis ```perl $pos = tell($fh); # position in $fh $pos = tell(); # position in last-read filehandle ``` ## Description Returns the current byte position in a filehandle. Returns the current read/write position (in bytes) for the given filehandle, or for the most recently read filehandle when called without arguments. Returns -1 on error or when no filehandle is available. The returned value is suitable as the POSITION argument to `seek`. ## See also seek, eof, sysseek