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tldr/pages/common/env.md
2020-09-11 08:18:16 -03:00

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# env
> Show the environment or run a program in a modified environment.
- Show the environment:
`env`
- Run a program. Often used in scripts after the shebang (#!) for looking up the path to the program:
`env {{program}}`
- Clear the environment and run a program:
`env -i {{program}}`
- Remove variable from the environment and run a program:
`env -u {{variable}} {{program}}`
- Set a variable and run a program:
`env {{variable}}={{value}} {{program}}`
- Set multiple variables and run a program:
`env {{variable1}}={{value}} {{variable2}}={{value}} {{variable3}}={{value}} {{program}}`