RosettaCodeData/Task/Unix-ls/Forth/unix-ls-1.fth
2015-02-20 09:02:09 -05:00

12 lines
516 B
Forth

256 buffer: filename-buf
: each-filename { xt -- } \ xt-consuming variant
s" ." open-dir throw { d }
begin filename-buf 256 d read-dir throw while
filename-buf swap xt execute
repeat d close-dir throw ;
\ immediate variant
: each-filename[ s" ." postpone sliteral ]] open-dir throw >r begin filename-buf 256 r@ read-dir throw while filename-buf swap [[ ; immediate compile-only
: ]each-filename ]] repeat drop r> close-dir throw [[ ; immediate compile-only
: ls ( -- ) [: cr type ;] each-filename ;