VolksForth/msdos/stream.fb

\                                                    cas 11nov05The word STREAM>BLK convert a sequiential file with CR lineend  into a screenfile with 64 Chars per line.                                                                                       Example:                                                        FORTH.TXT is a Forth-Sourceode in a sequiential file                                                                            MAKEFILE FORTH.FB  will create an empty screenfile              FROM FORTH.TXT     will define the inputfile                    STREAM>BLK         will convert FORTH.TXT into FORTH.FB                                                                                                                                                                                                                                                                                                                                                                                                         \                                                 ks 06 jul 88    Onlyforth Dos also                                                                                                            | : in   ( -- fcb )  fromfile @ ;                               | : out  ( -- fcb )    isfile @ ;                                                                                               | : padd ( cnt -- )  dup IF  c/l mod ?dup 0=exit  THEN               c/l swap ?DO  BL out fputc  LOOP ;                                                                                         | : skipctrl  ( -- char )                                            BEGIN  in fgetc dup #cr = ?exit                                        dup 0 BL uwithin 0=exit  drop  REPEAT ;                                                                               2 3 thru                                                                                                                        Onlyforth                                                     \                                                 ks 06 jul 88                                                                  | : lastline?  ( -- f )   false  0  skipctrl                         BEGIN  -1 case? IF  ?dup IF  padd   THEN  0= exit  THEN                #cr case? 0= WHILE  out fputc  1+  in fgetc  REPEAT      padd ;                                                                                                                       : stream>blk   open  out freset                                    out f.size 2@ out fseek \ append to end of file                 BEGIN  lastline? stop? or UNTIL  close  out fclose ;                                                                                                                                                                                                                                                                                                                                                                                                       \ absolute blocks in file eintragen               ks 11 aug 87                                                                  | : >stream   ( blk -- )                                             fromfile @ (block b/blk bounds                                  DO  ds@ I C/L -trailing out lfputs                                  #cr out fputc  #lf out fputc   C/L +LOOP ;                                                                               : blk>stream  ( from.blk to.blk -- )  emptyfile                    1+ swap DO  I >stream  LOOP  close ;