42 lines
954 B
Forth
42 lines
954 B
Forth
VARIABLE wd 256 ALLOT
|
|
|
|
: setwd ( uaddr)
|
|
COUNT 1+ SWAP 1- SWAP wd SWAP CMOVE ;
|
|
|
|
: _wd
|
|
$" /rd/1/" setwd ; _wd
|
|
|
|
: "/ [CHAR] / ;
|
|
|
|
: strcat ( uaddr1 uaddr2 -- uaddr1+uaddr2)
|
|
>R DUP COUNT ( ua1 a1 c1)
|
|
>R R@ ( ua1 a1 c1)
|
|
+ OVER R> R@ SWAP >R ( ua1 ea1 ua1 ua1)
|
|
C@ R> + ( ua1 ea1 ua1 u+u2 )
|
|
SWAP C! ( ua1 ea1 )
|
|
R> COUNT ( ua1 ea1 a2 c2)
|
|
>R
|
|
SWAP R> CMOVE ;
|
|
|
|
: add/ ( uaddr -- uaddr/)
|
|
DUP DUP COUNT SWAP DROP + C@ "/ = IF ELSE $" /" strcat THEN ;
|
|
|
|
: cut/ ( uaddr -- uaddr w/o slash)
|
|
COUNT OVER SWAP + 1- ( ua1 lasta1)
|
|
DUP C@ "/ = IF 1- THEN .S
|
|
BEGIN 2DUP < WHILE 4 . DUP C@ "/ = IF OVER - OVER 1- C! 1- LEAVE ELSE 1- THEN
|
|
REPEAT ;
|
|
|
|
: t $" cat" $" dog" strcat COUNT TYPE ;
|
|
|
|
: makepath ( path normalizer: uaddr1 uaddr2 -- uaddr )
|
|
DUP 1+ C@ [CHAR] / = IF SWAP DROP ELSE DUP strcat THEN
|
|
add/ ;
|
|
|
|
|
|
: pwd ( print working directory: -- )
|
|
CR wd COUNT TYPE ;
|
|
|
|
: cd ( change directory)
|
|
wd BL WORD makepath setwd ;
|