improving skel/disp. might move to bin/ at some point

skel/disp

@@ -115,7 +115,14 @@ _xrandr() {
     xrandr "$@"
 }
 _list_arandr() {
-    test -d "$ARANDR_FOLDER" || return
+    [[ -d "$ARANDR_FOLDER" ]] || {
+        _arandr_empty
+        return
+    }
+    [[ $(ls -A "$ARANDR_FOLDER") ]] || {
+        _arandr_empty
+        return
+    }
     ls "$ARANDR_FOLDER" | head -n 6 | awk '{printf("   %d       %s\n", NR+3, $0) }'
 }
 _run_arandr_script() {
@@ -125,6 +132,9 @@ _run_arandr_script() {
         sh -x "$ARANDR_FOLDER/$script_name"
     }
 }
+_arandr_empty() {
+    echo "   [No arandr scripts]"
+}
 _help() {
     echo 'DISPtool
 
@@ -144,7 +154,7 @@ _help() {
     Second argument to any previous sets the gamma correction value
     Configuration file: '$CONFIG'
 
-    Display settings saved with arandr are displayed last:
+    Display settings saved with arandr are displayed last
     '
     _list_arandr
     exit
@@ -164,7 +174,8 @@ i=$1
 if [ -z "$1" ]; then
    echo "Currently connected displays:"
    xrandr | grep --color=always -e ".* connected" -e '.*\*' | awk '{ print $1,$2,$3} '
-   echo 'Menu choices:
+
+   echo 'See further help by running with argument: -h
 
    0       Run "arandr" to setup manually
    1       Main display only ('$MAIN')
@@ -173,9 +184,7 @@ if [ -z "$1" ]; then
    a       All displays on
    s       Create and edit configuration '$CONFIGURED'
 
-   See further help by running with argument: -h
-   Settings from arandr:
-   '
+   Settings by arandr:'
    _list_arandr
    read -N 1 i
    echo ""