can't read "dir": no such variable
    while executing
"file join $dir filetypes.tcl"
    (in namespace eval "::request" script line 4)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)
OUTPUT BUFFER:
if {![package vsatisfies [package provide Tcl] 8.6]} {return}

# Recognizers
package ifneeded fileutil::magic::filetype 2.0 [list source [file join $dir filetypes.tcl]]

# Runtime
package ifneeded fileutil::magic::rt 2.0 [list source [file join $dir rtcore.tcl]]

# Compiler packages
package ifneeded fileutil::magic::cgen   1.2.0 [list source [file join $dir cgen.tcl]]
package ifneeded fileutil::magic::cfront 1.2.0 [list source [file join $dir cfront.tcl]]