/usr/share/tcltk/tclkill1.0/pkgIndex.tcl is in tcl-combat 0.8.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | package ifneeded kill 1.0 "
source \[file join \"$dir\" unixkill.tcl\]
"
|