inconsistent naming

routes/viewPost

@@ -1,12 +1,12 @@
 #!/bin/sh
 
-# usage: ./viewPost.sh --file=<filename>
+# usage: ./viewPost.sh --filename=<filename>
 
 # Parse the arguments
 for arg in "$@"
 do
     case $arg in
-        --file=*)
+        --filename=*)
         file="${arg#*=}"
         ;;
     esac