/usr/share/tcltk/tklib0.5/ipentry/pkgIndex.tcl is in tklib 0.5-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | if { ![package vsatisfies [package provide Tcl] 8.4] } { return }
package ifneeded ipentry 0.3 [list source [file join $dir ipentry.tcl]]
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