/usr/share/doc/graphviz/examples/demo/gcat.tcl is in graphviz-doc 2.40.1-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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 38 39 40 41 42 43 44 45 46 47 | #!/bin/sh
# next line is a comment in tcl \
exec tclsh "$0" ${1+"$@"}
package require Tcldot
# gcat f1 [f2 ... ]
#
# merge a number of digraphs into one and output to stdout
#
# John Ellson <ellson@graphviz.org>
#
# merge graph $g2 into $g
proc merge {g g2} {
foreach i [$g2 listnodes] {
set n [$g addnode [$i showname]]
$n setattributes [$i queryattributevalues [$i listattributes]]
}
foreach i [$g2 listedges] {
foreach {t h} [$i listnodes] {break}
set e [$g addedge [$t showname] [$h showname]]
$e setattributes [$i queryattributevalues [$i listattributes]]
}
}
set g [dotnew digraph]
if {$argc} {
foreach file $argv {
set f [open $file r]
if {[catch {dotread $f} g2]} {
puts stderr $g2
exit
}
merge $g $g2
close $f
}
} {
while {![catch {dotread stdin} g2]} {
merge $g $g2
}
if {![eof stdin]} {
puts stderr $g2
exit
}
}
$g write stdout CANON
|