Index: Setup/updateFileInfo.tcl
==================================================================
--- Setup/updateFileInfo.tcl
+++ Setup/updateFileInfo.tcl
@@ -59,23 +59,29 @@
 # NOTE: Grab the name of the file to be updated from the command line, if
 #       available; otherwise, use the default (i.e. "../www/downloads.wiki").
 #
 if {[info exists argv] && [llength $argv] > 0} then {
   set updateFileName [lindex $argv 0]
-} else {
+}
+
+if {![info exists updateFileName] || \
+    [string length $updateFileName] == 0} then {
   set updateFileName [file join $root www downloads.wiki]
 }
 
 #
 # NOTE: Grab the directory containing the files referenced in the data of the
 #       file to be updated from the command line, if available; otherwise, use
 #       the default (i.e. "./Output").
 #
 if {[info exists argv] && [llength $argv] > 1} then {
-  set directory [lindex $argv 1]
-} else {
-  set directory [file join $path Output]
+  set outputDirectory [lindex $argv 1]
+}
+
+if {![info exists outputDirectory] || \
+    [string length $outputDirectory] == 0} then {
+  set outputDirectory [file join $path Output]
 }
 
 #
 # NOTE: Setup the regular expression pattern with the necessary captures.  This
 #       pattern is mostly non-greedy; however, at the end we need to match
@@ -115,11 +121,11 @@
       [regexp -all -inline -nocase -- $pattern $data] {
     #
     # NOTE: Get the fully qualified file name based on the configured
     #       directory.
     #
-    set fullFileName [file join $directory [file tail $fileName]]
+    set fullFileName [file join $outputDirectory [file tail $fileName]]
 
     #
     # NOTE: If the file does not exist, issue a warning and skip it.
     #
     if {![file exists $fullFileName]} then {