A simple BASH script that can parse a substring out of a larger string by stripping off the start then end parts of the string

getSubstring.sh

#!/bin/sh
# parse the test name from the path to the input file (/path/to/myTest.input => myTest)
TEST_NAME=${1}
TEST_NAME=${TEST_NAME%.input*}
TEST_NAME=${TEST_NAME##*/}

echo ${TEST_NAME}

Parameter Expansion: http://tiswww.case.edu/php/chet/bash/bashref.html#SEC31