Shell Script to generate a report or print to file to show presence of a file with specific text

Question

TestSuite1/TC1/output/pqr1.txt

TestSuite1/TC1/output/pqr2.txt

TestSuite1/TC1/output/pqr3.txt

TestSuite1/TC2/output/abc1.txt

TestSuite1/TC3/output/pqr