BSD 4_1_snap development
[unix-history] / usr / man / man6 / worms.6
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1.TH WORMS 6
2.SH NAME
3worms \- animate worms on a display terminal
4.SH SYNOPSIS
5.B worms
6[
7.B -field
8] [
9.B -length
10# ] [
11.B -number
12# ] [
13.B -trail
14]
15.SH DESCRIPTION
16.ad b
17Brian Horn (cithep!bdh) showed me a
18.I TOPS-20
19program on the DEC-2136 machine called
20.IR WORM ,
21and suggested that I write a similar program that would run under
22.IR Unix .
23I did, and no apologies.
24.PP
25.B -field
26makes a "field" for the worm(s) to eat;
27.B -trail
28causes each worm to leave a trail behind it. You can figure
29out the rest by yourself.
30.SH FILES
31/etc/termcap
32.SH AUTHOR
33Eric P. Scott
34.SH SEE ALSO
35.IR Snails ,
36by Karl Heuer
37.SH DIAGNOSTICS
38Invalid length
39.br
40 Value not in range 2 <= length <= 1024
41.sp
42Invalid number of worms
43.br
44 Value not in range 1 <= number <= 40
45.sp
46TERM: parameter not set
47.br
48 The
49.B TERM
50environment variable is not defined. Do
51.sp
52 \fBTERM=\fRterminal type
53.br
54 \fBexport TERM\fR
55.sp
56Unknown terminal type
57.br
58 Your terminal type (as determined from the
59.B TERM
60environment variable) is not defined in
61.BR /etc/termcap .
62.sp
63Terminal not capable of cursor motion
64.br
65 Your terminal is too stupid to run this program.
66.sp
67Out of memory
68.br
69 This should never happen on a VAX.
70.SH BUGS
71The lower-right-hand character position will not be updated properly
72on a terminal that wraps at the right margin.
73.PP
74Terminal initialization is not performed.
75.PP
76There should be an option to have the worms eat
77.I Pink Floyd
78lyrics.