mysql - further unbound variable fixes

seqs/mysql.sh

@@ -73,16 +73,16 @@ step_10() {
   for arg in "$@" ; do
     case "${1:-}" in
       --charset|-c)
-        dbOption="$2"
+        dbOption="${2:-}"
         shift 2;;
       --database|-d)
-        dbName="$2"
+        dbName="${2:-}"
         shift 2 ;;
       --user|-u)
-        dbUser="$2"
+        dbUser="${2:-}"
         shift 2 ;;
       --remote|-r)
-        dbRemote="$2"
+        dbRemote="${2:-}"
         shift 2 ;; 
       *)
         break ;;
@@ -125,16 +125,16 @@ step_11() {
   for arg in "$@" ; do
     case "${1:-}" in
       --charset|-c)
-        dbOption="$2"
+        dbOption="${2:-}"
         shift 2;;
       --database|-d)
-        dbName="$2"
+        dbName="${2:-}"
         shift 2 ;;
       --user|-u)
-        dbUser="$2"
+        dbUser="${2:-}"
         shift 2 ;;
       --remote|-r)
-        dbRemote="$2"
+        dbRemote="${2:-}"
         shift 2 ;; 
       *)
         break ;;
@@ -177,16 +177,16 @@ step_12() {
   for arg in "$@" ; do
     case "${1:-}" in
       --charset|-c)
-        dbOption="$2"
+        dbOption="${2:-}"
         shift 2;;
       --database|-d)
-        dbName="$2"
+        dbName="${2:-}"
         shift 2 ;;
       --user|-u)
-        dbUser="$2"
+        dbUser="${2:-}"
         shift 2 ;;
       --remote|-r)
-        dbRemote="$2"
+        dbRemote="${2:-}"
         shift 2 ;; 
       *)
         break ;;
@@ -214,10 +214,10 @@ step_14() {
   for arg in "$@" ; do
     case "${1:-}" in
       --user|-u)
-        dbUser="$2"
+        dbUser="${2:-}"
         shift 2 ;;
       --remote|-r)
-        dbRemote="$2"
+        dbRemote="${2:-}"
         shift 2 ;; 
       *)
         break ;;
@@ -259,10 +259,10 @@ step_34() {
   for arg in "$@" ; do
     case "${1:-}" in
       --user|-u)
-        dbUser="$2"
+        dbUser="${2:-}"
         shift 2 ;;
       --remote|-r)
-        dbRemote="$2"
+        dbRemote="${2:-}"
         shift 2 ;; 
       *)
         break ;;
@@ -278,7 +278,7 @@ step_36_info() {
 }
 step_36_alias() { echo "sizedb"; }
 step_36() {
-  if [ -z "$2" ]; then
+  if [ -z "${2:-}" ]; then
     echo "Please provide a database name. e.g. $0 sizedb mydb_db"
   else
     exe mysql -u root -e 'SELECT table_schema "DB Name",
@@ -300,13 +300,13 @@ step_50() {
     error -e "No database name provided"
     return 1
   fi
-  local dbName="$1"
-  local buTarget="$2"
-  if [ -z "$2" ] ; then
+  local dbName="${1:-}"
+  local buTarget="${2:-}"
+  if [ -z "${2:-}" ] ; then
     warning -e "No target directory provided. Using home of current user"
     buTarget="$HOME"
-  elif [ ! -e "$2" ]; then
-    endReturn -o 1 -f "$2 does not exist"
+  elif [ ! -e "${2:-}" ]; then
+    endReturn -o 1 -f "${2:-} does not exist"
   fi
 
   echo " [I] Dumping database $dbName to $buTarget"