command eval as literal

create_users.sh

 
 while read line; do
     IFS=';' read -ra params <<< "$line"
-    bundle exec rake user:create[\"${params[0]}\",\"${params[1]}\",\"${params[2]}\",\"user\"]
+    cmd="bundle exec rake user:create[\"${params[0]}\",\"${params[1]}\",\"${params[2]}\",\"user\"]"
+    eval $cmd
 
 IFS=' '
 done < $1