little changes in shell scripts

scripts/speech_debug.sh

@@ -9,9 +9,9 @@ commands=(
 )
 
 # Build final command with all the tabs to launch
-set finalCommand=""
+finalCommand=""
 for (( i = 0; i < ${#commands[@]} ; i++ )); do
-    export finalCommand+="--tab -e 'bash -c \"${commands[$i]};exec bash\"' "
+    finalCommand+="--tab -e 'bash -c \"${commands[$i]};exec bash\"' "
 done
 
 # Run the final command