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Black Box 4
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BlackBox.cdr
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progpas
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visible.arj
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FILEDEMO
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Text File
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1985-08-08
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896b
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27 lines
PROGRAM FILEDEMO; {a demonstration of reading from the terminal,}
{writing to a disk file, then reading the disk file to the screen.}
VAR
DISKFILE:TEXT;
S1:STRING;
BEGIN
WRITELN('filedemo demonstration program');
ASSIGN(DISKFILE,'file1'); {DISKFILE will have name 'file1'}
REWRITE(DISKFILE); {set it up for writing}
REPEAT
WRITE('line:'); {prompt for user input}
READLN(S1); {press F6 CR to enter an EOF}
WRITELN(DISKFILE,S1); {write to disk file}
UNTIL EOF(INPUT);
WRITELN;
RESET(DISKFILE); {now set up to read the disk file}
WHILE NOT EOF(DISKFILE) DO
BEGIN
READLN(DISKFILE,S1);
WRITELN(S1); {and copy it to the screen}
END;
WRITELN("that's all!");
END.