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I am on Linux Mint 19.03.

I have a setup shell script file, setup.sh. When I run ./setup.sh

muyustan@mint:~/Downloads/quartusExtracted$ ./setup.sh 
bash: ./setup.sh: /bin/env: bad interpreter: No such file or directory

The shebang in setup.sh:

#!/bin/env bash

My understanding of these things are very narrow, since I am pretty new at Linux world.

I knew that, using /bin/env bash instead of giving the exact bash path was something like "search in the environment variables and try to find bash". When I look to /bin directory for env, I see that there is not such file:

muyustan@mint:/usr/bin$ ll /bin | grep "env"
lrwxrwxrwx  1 root root       6 Mar 21 14:35 open -> openvt*
-rwxr-xr-x  1 root root   18872 Jan 22  2018 openvt*

Also,

muyustan@mint:~/Downloads/quartusExtracted$ which bash
/bin/bash

So, I assume that changing the shebang in the setup.sh to #! /bin/bash will solve the problem(I haven't tried), however, this does not seem very intuitive, because if so then I ask myself that,

" Did the developers of this application(Quartus 13.1) make a mistake? ", which leads me to think that something is wrong with my system.

So, the question is, why this is the situation?

Thanks.

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  • 5
    Chnage #!/bin/env bash` to #!/usr/bin/env bash
    – Jetchisel
    Mar 22, 2020 at 22:13
  • Comments are not for extended discussion; this conversation has been moved to chat.
    – terdon
    Mar 25, 2020 at 14:10

1 Answer 1

14

Nothing is wrong with your system, you're just using the wrong path to env. On Linux systems, at least, the env binary is normally in /usr/bin and not /bin:

$ type env
env is /usr/bin/env

So, your script is telling your system to use /bin/env, which doesn't exist, and that's why you're getting that error. Simply change to the right shebang and you should be fine:

#!/usr/bin/env bash
1
  • Using env instead of /usr/bin/env also caused this issue for me, manifesting in a bizarre sh: 1: my-script-name: not found error when trying to invoke my script via npx. Thanks! Jan 30, 2023 at 22:29

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