Run bash commands from txt file
Solution 1:
Just do bash file:
$ cat file
date
echo '12*12' | bc
$ bash file
Mon Nov 26 15:34:00 GMT 2012
144
In case of aliases just run bash -i file
No need to worry about file extensions or execution rights.
Solution 2:
In a Terminal just type:
bash path/to/my/file.txt
And you will get each lines executed.