diff --git a/lib/util.sh b/lib/util.sh
new file mode 100644
index 0000000..eeaf9a2
--- /dev/null
+++ b/lib/util.sh
@@ -0,0 +1,11 @@
+calling-help() {
+  if [[ " $@ " != *" --help "* ]] && [[ " $@ " != *" -h "* ]]; then
+    return 1
+  fi
+}
+
+calling-complete() {
+  if [[ " $@ " != *" --complete "* ]]; then
+    return 1
+  fi
+}
diff --git a/libexec/tmuxifier-alias b/libexec/tmuxifier-alias
index 1bca770..94e4f7e 100755
--- a/libexec/tmuxifier-alias
+++ b/libexec/tmuxifier-alias
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier alias <alias>
 
 Resolve a command alias to it's full name."
diff --git a/libexec/tmuxifier-commands b/libexec/tmuxifier-commands
index db1dfe0..9de81aa 100755
--- a/libexec/tmuxifier-commands
+++ b/libexec/tmuxifier-commands
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier commands
 
 List all available commands, includes internal commands not intended for
diff --git a/libexec/tmuxifier-completions b/libexec/tmuxifier-completions
index 5d72703..ee531c2 100755
--- a/libexec/tmuxifier-completions
+++ b/libexec/tmuxifier-completions
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier completion <command>
 
 Print a list of available completions for specified command."
@@ -11,7 +14,7 @@ Print a list of available completions for specified command."
 fi
 
 # Provide tmuxifier completions
-if [ "$1" == "--complete" ]; then
+if calling-complete "$@"; then
   tmuxifier-commands
   exit
 fi
diff --git a/libexec/tmuxifier-current-session b/libexec/tmuxifier-current-session
index 706ca01..285ac5f 100755
--- a/libexec/tmuxifier-current-session
+++ b/libexec/tmuxifier-current-session
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier current-session
 
 Outputs the name of the current Tmux session."
diff --git a/libexec/tmuxifier-edit-session b/libexec/tmuxifier-edit-session
index 17f5125..592f2bc 100755
--- a/libexec/tmuxifier-edit-session
+++ b/libexec/tmuxifier-edit-session
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier edit-session <layout_name>
 
 Aliases: edit-ses, eses, es
@@ -13,7 +16,7 @@ Open specified session layout for editing in \$EDITOR."
 fi
 
 # Provide tmuxifier completions
-if [ "$1" == "--complete" ]; then
+if calling-complete "$@"; then
   for item in $(tmuxifier-list-sessions); do
     echo "$item"
   done
diff --git a/libexec/tmuxifier-edit-window b/libexec/tmuxifier-edit-window
index 6ff6736..5c5c53c 100755
--- a/libexec/tmuxifier-edit-window
+++ b/libexec/tmuxifier-edit-window
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier edit-window <layout_name>
 
 Aliases: edit-win, ewin, ew
@@ -13,7 +16,7 @@ Open specified window layout for editing in \$EDITOR."
 fi
 
 # Provide tmuxifier completions
-if [ "$1" == "--complete" ]; then
+if calling-complete "$@"; then
   for item in $(tmuxifier-list-windows); do
     echo "$item"
   done
diff --git a/libexec/tmuxifier-help b/libexec/tmuxifier-help
index c0579ff..2ed85d9 100755
--- a/libexec/tmuxifier-help
+++ b/libexec/tmuxifier-help
@@ -2,14 +2,17 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   tmuxifier-help
   exit
 fi
 
 # Provide tmuxifier completions
-if [ "$1" == "--complete" ]; then
+if calling-complete "$@"; then
   tmuxifier-commands
   exit
 fi
diff --git a/libexec/tmuxifier-list b/libexec/tmuxifier-list
index 2c4cab7..3f8d036 100755
--- a/libexec/tmuxifier-list
+++ b/libexec/tmuxifier-list
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier list
 
 Aliases: l
diff --git a/libexec/tmuxifier-list-sessions b/libexec/tmuxifier-list-sessions
index 8651ef8..e25b8c5 100755
--- a/libexec/tmuxifier-list-sessions
+++ b/libexec/tmuxifier-list-sessions
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier list-sessions
 
 Aliases: list-ses, lses, ls
diff --git a/libexec/tmuxifier-list-windows b/libexec/tmuxifier-list-windows
index 0cc6179..fdef124 100755
--- a/libexec/tmuxifier-list-windows
+++ b/libexec/tmuxifier-list-windows
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier list-windows
 
 Aliases: list-win, lwin, lw
diff --git a/libexec/tmuxifier-load-session b/libexec/tmuxifier-load-session
index 87a88b3..b12ae48 100755
--- a/libexec/tmuxifier-load-session
+++ b/libexec/tmuxifier-load-session
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier load-session <layout_name>
 
 Aliases: session, ses, s
@@ -14,7 +17,7 @@ in which case, we simply attach/switch to the existing one."
 fi
 
 # Provide tmuxifier completions
-if [ "$1" == "--complete" ]; then
+if calling-complete "$@"; then
   for item in $(tmuxifier-list-sessions); do
     echo "$item"
   done
diff --git a/libexec/tmuxifier-load-window b/libexec/tmuxifier-load-window
index 5153796..b778a0b 100755
--- a/libexec/tmuxifier-load-window
+++ b/libexec/tmuxifier-load-window
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier load-window <layout_name>
 
 Aliases: window, win, w
@@ -13,7 +16,7 @@ Create a new window using the specified window layout in the current session."
 fi
 
 # Provide tmuxifier completions
-if [ "$1" == "--complete" ]; then
+if calling-complete "$@"; then
   for item in $(tmuxifier-list-windows); do
     echo "$item"
   done
diff --git a/libexec/tmuxifier-new-session b/libexec/tmuxifier-new-session
index 23e370d..9a1f55d 100755
--- a/libexec/tmuxifier-new-session
+++ b/libexec/tmuxifier-new-session
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier new-session <layout_name>
 
 Aliases: new-ses, nses, ns
@@ -13,7 +16,7 @@ Create a new session layout and open it for editing in \$EDITOR."
 fi
 
 # Provide tmuxifier completions
-if [ "$1" == "--complete" ]; then
+if calling-complete "$@"; then
   for item in $(tmuxifier-list-sessions); do
     echo "$item"
   done
diff --git a/libexec/tmuxifier-new-window b/libexec/tmuxifier-new-window
index 0dd6a4a..5a85de8 100755
--- a/libexec/tmuxifier-new-window
+++ b/libexec/tmuxifier-new-window
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier new-window <layout_name>
 
 Aliases: new-win, nwin, nw
@@ -13,7 +16,7 @@ Create a new window layout and open it for editing in \$EDITOR."
 fi
 
 # Provide tmuxifier completions
-if [ "$1" == "--complete" ]; then
+if calling-complete "$@"; then
   for item in $(tmuxifier-list-windows); do
     echo "$item"
   done
diff --git a/libexec/tmuxifier-resolve-command-path b/libexec/tmuxifier-resolve-command-path
index 087190c..6eeec67 100755
--- a/libexec/tmuxifier-resolve-command-path
+++ b/libexec/tmuxifier-resolve-command-path
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier resolve-command-path <command_or_alias>
 
 Outputs the absolute path to the given command or command alias."
diff --git a/libexec/tmuxifier-version b/libexec/tmuxifier-version
index 09fa445..30349e6 100755
--- a/libexec/tmuxifier-version
+++ b/libexec/tmuxifier-version
@@ -2,8 +2,11 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Load internal utility functions.
+source "$TMUXIFIER/lib/util.sh"
+
 # Provide tmuxifier help
-if [ "$1" == "--help" ]; then
+if calling-help "$@"; then
   echo "usage: tmuxifier version
 
 Outputs Tmuxifier version."