Shell Programming and Scripting

echo "Please provide the file name Corresponding to DC..."
read file 
ls $HOME/*.txt | grep $file
if [ $? -eq 0 ]
find . $file '*_Test_*' -exec bash -c 'mv $0 ${0/_Test/ }' {} \;

if [ $? -eq 0 ]
find . $file -name "*.txt" -exec bash -c "mv {} \`echo {} | sed -e 's/[_TEST_]/_/g'\`" \;
then

 
#!/bin/sh
echo "Please provide the file name Corresponding to DC..."
cd $HOME
read file 
ls $HOME/*.txt | grep $file
mv $file Article_01082014.log
echo "The file had been successfully renamed.."

echo "Please provide the file name Corresponding to DC..."
read file 
ls $HOME/*.txt | grep $file --> You are checking the existence of the file
if [ $? -eq 0 ]
find . $file -name "*.txt" -exec bash -c "mv {} \`echo {} | sed -e 's/[_TEST_]/_/g'\`" \; --> Are you trying to rename the file that you read above??

find /input/temp -type f -name "Article_????_test_?????????.txt" -exec sh -c 'mv $1 ${1/test/}' {} \;

 echo "Please provide the file name Corresponding to DC..."
read file
ls $HOME/*.txt | grep $file
find /u/vgomu -type f -name "$file" -exec sh -c 'mv $1 ${1/test/}' {} \;

echo "Please provide the file name Corresponding to DC..."
read file
if [ -f $file ]; then
mv $file ${file/TEST/}  --> Make sure your file has TEST in its name
fi