F77F90

1. Install gfortran first.

sudo apt update
sudo apt install gfortran
gfortran -v

2. Run the script. Build, comparing outputs, and decompiling will be done.

bash test.sh

3. Compare with .log files and .od files in ./old/ and ./new/ .

diff ./old/main.log ./new/main.log
diff ./old/hello.od ./new/hello.od
diff ./old/fotmat.od ./new/fotmat.od
diff ./old/do.od ./new/do.od
diff ./old/if.od ./new/if.od
diff ./old/while.od ./new/while.od