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root/radiance/ray/src/util/util.tcl
Revision: 2.1
Committed: Thu Oct 27 15:56:12 1994 UTC (29 years, 8 months ago) by greg
Content type: application/x-tcl
Branch: MAIN
Log Message:
Initial revision

File Contents

# Content
1 # SCCSid "$SunId$ LBL"
2 #
3 # General utility routines
4 #
5
6 proc beep {} { # ring the bell
7 puts -nonewline stderr "\a"
8 }
9
10 proc view_txt fn { # view a text file
11 global env
12 if [info exists env(EDITOR)] {
13 eval exec xterm -e $env(EDITOR) $fn
14 } else {
15 foreach f $fn {
16 exec xedit $f
17 }
18 }
19 }
20
21 proc cardval {var cvl} { # set variable to one of a set of values
22 upvar $var v
23 set tv [string toupper $v]
24 foreach cv $cvl {
25 if {[string first $tv [string toupper $cv]] == 0} {
26 set v $cv
27 return $cv
28 }
29 }
30 return {} ; # this would seem to be an error
31 }