Refactor a few things

run

@@ -5,25 +5,15 @@ dry="0"
 
 execute() {
     log "execute $@"
-    if [[ $dry != "1" ]]; then
-        "$@"
-    fi
+    [[ $dry != "1" ]] && "$@"
 }
 
 log() {
-    if [[ $dry != "1" ]]; then
-        echo "$@"
-    else
-        echo "[DRY RUN]: $@"
-    fi
+    [[ $dry != "1" ]] && echo "$@" || echo "[DRY RUN]: $@"
 }
 
 while [[ $# > 0 ]]; do
-    if [[ $1 == "--dry" ]]; then
-        dry="1"
-    else
-        single_script_filter="$1"
-    fi
+    [[ $1 == "--dry" ]] && dry="1" || single_script_filter="$1"
     shift
 done