如何以速记方式从Bash执行Python3脚本？

Question

I'm converting all my Python2 scripts to work with Python3.

From within a bash wrapper, scripts can be executed with Python3 with:

python3 myScript.py

However, I have an old wrapper which called a Python2 script via the shorthand, ie

./myScript.py

How do I ensure that this shorthand will run the script with Python3 by default?

The server these scripts are running on is Ubuntu 14.04.

Answer 1

您可以使用“ hash-bang” #!/usr/bin/python3

Answer 2

more information regarding your operating system would be helpful. If you are on linux or mac you can add the following to the first line of your script:

#!/usr/local/bin/python

adjusting for the location of your python3. Then you could change the file to executable using:

chmod u+x script

After this you would be able to run your script with just

script