#!/bin/bash

(( IX = 1 ))
while [ $IX -lt 376 ]
do
    F1=JoD10_
    POS1=`echo $IX | awk '{printf("%04d", $1)}'`
    (( IX = $IX + 1 ))
    POS2=`echo $IX | awk '{printf("%04d", $1)}'`
    mv $F1$POS2.pdf $F1$POS1.pdf
done