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 0 \                                                    cas 11nov05
 1 The word STREAM>BLK convert a sequiential file with CR lineend  
 2 into a screenfile with 64 Chars per line.                       
 3                                                                 
 4 Example:                                                        
 5 FORTH.TXT is a Forth-Sourceode in a sequiential file            
 6                                                                 
 7 MAKEFILE FORTH.FB  will create an empty screenfile              
 8 FROM FORTH.TXT     will define the inputfile                    
 9 STREAM>BLK         will convert FORTH.TXT into FORTH.FB         
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 0 \                                                 ks 06 jul 88  
 1   Onlyforth Dos also                                            
 2                                                                 
 3 | : in   ( -- fcb )  fromfile @ ;                               
 4 | : out  ( -- fcb )    isfile @ ;                               
 5                                                                 
 6 | : padd ( cnt -- )  dup IF  c/l mod ?dup 0=exit  THEN          
 7      c/l swap ?DO  BL out fputc  LOOP ;                         
 8                                                                 
 9 | : skipctrl  ( -- char )                                       
10      BEGIN  in fgetc dup #cr = ?exit                            
11             dup 0 BL uwithin 0=exit  drop  REPEAT ;             
12                                                                 
13   2 3 thru                                                      
14                                                                 
15   Onlyforth                                                     
Screen 2 not modified     
 0 \                                                 ks 06 jul 88  
 1                                                                 
 2 | : lastline?  ( -- f )   false  0  skipctrl                    
 3      BEGIN  -1 case? IF  ?dup IF  padd   THEN  0= exit  THEN    
 4             #cr case? 0= WHILE  out fputc  1+  in fgetc  REPEAT 
 5      padd ;                                                     
 6                                                                 
 7   : stream>blk   open  out freset                               
 8      out f.size 2@ out fseek \ append to end of file            
 9      BEGIN  lastline? stop? or UNTIL  close  out fclose ;       
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 0 \ absolute blocks in file eintragen               ks 11 aug 87  
 1                                                                 
 2 | : >stream   ( blk -- )                                        
 3      fromfile @ (block b/blk bounds                             
 4      DO  ds@ I C/L -trailing out lfputs                         
 5          #cr out fputc  #lf out fputc   C/L +LOOP ;             
 6                                                                 
 7   : blk>stream  ( from.blk to.blk -- )  emptyfile               
 8      1+ swap DO  I >stream  LOOP  close ;                       
 9                                                                 
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