refactor: make scripts/create.sh works on bash 3 (#28)

1 files changed, 4 insertions, 4 deletions

diff --git a/scripts/create.sh b/scripts/create.sh
index 3e20ac1..0d558fa 100755
--- a/scripts/create.sh
+++ b/scripts/create.sh
@@ -83,15 +83,15 @@ build_properties() {
     properties=''
     for param in "${argc_params[@]}"; do
         if [[ "$param" == *'!' ]]; then
-            param="${param::-1}"
+            param="${param:0:$((${#param}-1))}"
             required_params+=("$param")
             property='{"'"$param"'":{"type":"string","description":""}}'
         elif [[ "$param" == *'+' ]]; then
-            param="${param::-1}"
+            param="${param:0:$((${#param}-1))}"
             required_params+=("$param")
             property='{"'"$param"'":{"type":"array","description":"","items": {"type":"string"}}}'
         elif [[ "$param" == *'*' ]]; then
-            param="${param::-1}"
+            param="${param:0:$((${#param}-1))}"
             property='{"'"$param"'":{"type":"array","description":"","items": {"type":"string"}}}'
         else
             property='{"'"$param"'":{"type":"string","description":""}}'
@@ -106,7 +106,7 @@ build_properties() {
         required+="\"$param\","
     done
     if [[ -n "$required" ]]; then
-        required="${required::-1}"
+        required="${required:0:$((${#required}-1))}"
         required+="]"
     fi
     echo '{