Shell Programming and Scripting

script.sh file*2 file*xx

iPattern=$1
oPattern=$2
Array=$(ls $iPattern)
for i in $Array
do
mv $i XXXXXXX    << could not get here >> 
done

#!/bin/bash

for f in file*${1}; do
     mv $f $(echo $f| sed 's/'${1}'/'${2}'/')
done

exit 0

for f in file*2; do mv $f $(echo $f| sed 's/2/xx/'); done

# add $ in the regex else if '*' contains a 2 you'll get unexpected results.

for f in file*2; do echo "mv $f $(echo $f| sed 's/2$/xx/')"; done