Replaces all occurrences of A with B

replaceString.sh

#!/bin/sh
# parse the test name from the path to the input file (/path/to/myTest.input => _path_to_myTest.input)
TEST_NAME=${1}
TEST_NAME=${TEST_NAME//A/B}
#TEST_NAME=${TEST_NAME/A/B} -> replace first occurrence 
 
echo ${TEST_NAME}