I want to write a shell script. I have a .exe file called.calculate.exe, I want to get the data from another .txt file line by line as the argument for the calculate.exe and capture the output to another .txt file. that is inpu.txt -->calcualte.exe--> output.txt How to do it, The .calcualte.exe does not accept directly input argument in the command line that is "./calculate.exe 1 2 3" is not work I have to type ./calculate.exe first then input 1 2 3 manually.