# What makes bash forget the environment variable?

**URL:** <https://discourse.julialang.org/t/what-makes-bash-forget-the-environment-variable/87821>\
**Category:** General Usage\
**Created:** [September 26, 2022, 4:04pm UTC](https://discourse.julialang.org/t/what-makes-bash-forget-the-environment-variable/87821 "2022-09-26T16:04:58Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![PetrKryslUCSD](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/petrkryslucsd/32/215825_2.png) [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)\
**Post date:** [September 27, 2022, 2:42pm UTC](https://discourse.julialang.org/t/what-makes-bash-forget-the-environment-variable/87821/21 "2022-09-27T14:42:33Z")

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I know, I wouldn’t even try to defend using shell commands in a package handed out to other people.  
But as an ad hoc tool they can be great.

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**Author:** ![dlakelan](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/dlakelan/32/8491_2.png) [@dlakelan](https://discourse.julialang.org/u/dlakelan)\
**Post date:** [September 27, 2022, 4:16pm UTC](https://discourse.julialang.org/t/what-makes-bash-forget-the-environment-variable/87821/22 "2022-09-27T16:16:28Z")

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@giordano should have linked to the followup which shows how to do this in pure Julia without the shell involved: [Put This In Your Pipe](https://julialang.org/blog/2013/04/put-this-in-your-pipe/)

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