Create a bash script which reverses the columns $($separated by $|)$ of the file from P$2\mathrm{.}5\mathrm{.}1$

P$2\mathrm{.}5\mathrm{.}1$: Use vim to create a file testfile containing the following lines

$001|232|111$

$001|392|231$

$002|111|$ AAA

$002|111|$ AAA