summaryrefslogtreecommitdiff
path: root/ipl/progs/scale.icn
blob: a88224b1e03cd525b452a093b6f8083b59177de2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
############################################################################
#
#	File:     scale.icn
#
#	Subject:  Program to scale numeric values in visualization stream
#
#	Author:   Ralph E. Griswold
#
#	Date:     January 20, 1999
#
############################################################################
#
#  This file is in the public domain.  
#
############################################################################
#
#  This program scales the numerical channel of a visualization stream.
#  It leaves color channel alone, if there is one.  Scale factor is
#  given on command line; default 10.
#
#  Note:  This program can be used on a numerical stream.
#
############################################################################

procedure main(args)
   local factor, line, i

   factor := \args[1] | 10

   while line := read() do {
      line ? {
         i := tab(upto(' \t') | 0)
         write(i * factor, tab(0))
         }
      }

end