can't read "dir": no such variable
    while executing
"file join $dir libtclcluspack0.1.dylib"
    (in namespace eval "::request" script line 7)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)
OUTPUT BUFFER:
#
# Tcl package index file
#
# tclclustpack : clustering package for tcl
# unix version
package ifneeded tclcluspack 0.1 \
    [list load [file join $dir libtclcluspack0.1.dylib] tclcluspack]