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DARKEN.RAT
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1984-07-05
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768b
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27 lines
#-h- darken 548 local 01/05/81 16:53:30
# from the University of Arizona
define(DEFAULT,2)
define(LIMIT,10)
# darken - copies input to output, striking each character n times
character c, getc, arg(MAXLINE)
integer i, n
integer getarg, ctoi
n = DEFAULT
if (getarg(1, arg, MAXLINE) ^= EOF)
n = min(ctoi(arg, 1) - 1, LIMIT)
while (getc(c) ^= EOF) {
call putc(c)
if (c > BLANK) # overstrike black characters
for (i = 1; i <= n; i = i + 1) {
call putc(BACKSPACE)
call putc(c)
}
}
end
#-t- darken 548 local 01/05/81 16:53:30
call putc(NEWLINE)
call putlin(line1, STDOUT)
cal