Python3 Shebang Woes

[Paul Gobble]

I'm using BBedit 13.0.5 on Mac Os 10.15.3 as my editor while I try to learn a bit of Python3.  

#!/usr/bin/env python3
print('Hello World')

Baby steps.

I try to execute this from the Run menu item in the #! menu and get

/Users/.../Scripts/python_test-01.py: line 1: #!/usr/bin/env: No such file or directory

Then I try to use the direct path in the shebang line

#!/usr/bin/python3
print('Hello World')

and get a very similar response

/Users.../Scripts/python_test-01.py: line 1: #!/usr/bin/python3: No such file or directory

So I go investigate in the Terminal app and look around.

Emonda:bin paul$ pwd

/usr/local/bin

Emonda:bin paul$ whereis python3

/usr/bin/python3

Emonda:bin paul$ whereis env

/usr/bin/env

Emonda:bin paul$ 

Both env and python3 are right where I said they were in the shebang line, but interpreter can't find them!  

Can anyone help me out here?  What am I missing?

Thanks,

Paul

[Dan White]

Try

#!/usr/bin/python3

Dan White | d_e_...@icloud.com
------------------------------------------------
“Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us.”  (Bill Waterson: Calvin & Hobbes)

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[Paul Gobble]

LinuxDan

The line of code you suggested is exactly the line I've been using, and I get 

#!/usr/bin/python3: No such file or directory

But in the shell I'll set that it is there

Emonda:bin paul$ whereis python3
/usr/bin/python3

I'm stumped.

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[Rick Yentzer]

Paul,

Have you tried to run that file from the command line? I wonder if BBEdit is not finding python3 in your $PATH variable.

#!/usr/local/bin/python3
print('Hello World')

I created a test file with my location of python 3 and BBEdit ran the file correctly. python 3 is in my $PATH varaible.

In my case, running echo $PATH yields

/usr/local/bin:/usr/bin:/bin: ...

Thanks,

RY

[Paul Gobble]

Rick,

Thanks for the suggestion.  

I thought I posted to the group before: It turns out the problems was BBEdit’s default was to save the file with UTF-8 with BOM.  That was enough to make the file readable, but the first like, the Shebang line, started with an extra invisible character which kept throwing the interpreter off.  I resaved the file as UTF-8 No BOM and everything worked just fine.  

- Paul

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[Rich Siegel]

On 3/11/20 at 7:25 PM, pa...@paulgobble.com (Paul Gobble) wrote:

>I thought I posted to the group before: It turns out the
>problems was BBEdit’s default was to save the file with UTF-8
>with BOM.

The factory default is to *not* use a BOM, but it's certainly
possible to change the preference, and you may have done so
without fully realizing the subsequent implications. :-)

R.
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Rich Siegel Bare Bones Software, Inc.
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Someday I'll look back on all this and laugh... until they
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