can't read "dir": no such variable
    while executing
"file join $dir dns.tcl"
    (in namespace eval "::request" script line 4)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)
OUTPUT BUFFER:
# pkgIndex.tcl -

if {![package vsatisfies [package provide Tcl] 8.2]} {return}
package ifneeded dns    1.5.0 [list source [file join $dir dns.tcl]]
package ifneeded resolv 1.0.3 [list source [file join $dir resolv.tcl]]
package ifneeded ip     1.4   [list source [file join $dir ip.tcl]]
package ifneeded spf    1.1.1 [list source [file join $dir spf.tcl]]