On systems like HP-UX or FreeBSD bash is installed in different locations, like /usr/local/bin/bash, so putting
#!/bin/bash
Will result in shell saying "script_name: not found"
Is there any workaround that would make shell script portable?
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You can change shebang to `#!/usr/bin/env bash` – anubhava Oct 30 '17 at 09:47
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The idea is to use `#!/usr/bin/env bash` if you are not sure to which path `bash` is installed to. – Inian Oct 30 '17 at 09:47
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You may want to have a look at https://unix.stackexchange.com/questions/29608/why-is-it-better-to-use-usr-bin-env-name-instead-of-path-to-name-as-my - It may answer your question. – José Luis Oct 30 '17 at 09:48