Solve using shell script

1. Read instruction file: The first line in the file contains the number of files to read. Then each line contains only one file name. Example: 4 File1 File2 File3 File4 2. File parsing and computation: 1. In the second stage, the script should check if the input contains only valid file name (It has text and numbers but not special characters) 2. Open the file and read the matrix in each file. Each file have one matrixexample numberOfRows,numberOfColumns val11 val12... val1n val21 va212... va21n 2,3 134 4 22 valn1 val12. valnm