# CASTOR\_CONFIG Question

**URL:** <https://castor-project.discourse.group/t/castor-config-question/624>\
**Category:** General Discussions\
**Created:** [September 20, 2023, 3:49am UTC](https://castor-project.discourse.group/t/castor-config-question/624 "2023-09-20T03:49:43Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![weasley](https://avatars.discourse-cdn.com/v4/letter/w/278dde/32.png) [@weasley](https://castor-project.discourse.group/u/weasley)\
**Post date:** [September 20, 2023, 3:49am UTC](https://castor-project.discourse.group/t/castor-config-question/624/1 "2023-09-20T03:49:43Z")

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Dear everybody,  
I successful build castor 3.1, and when I build with make, I need add CASTOR\_CONFIG=xxx to specify the config path，but if some other user want to use castor 3.1 binary, the config PATH had already have my conf file， Is there some way that I can use export or change some ENV in bash, so that the castor binary can search that directory, not search my config directory.  
Thanks!

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**Author:** ![tmerlin](https://yyz2.discourse-cdn.com/free1/user_avatar/castor-project.discourse.group/tmerlin/32/216_2.png) [@tmerlin](https://castor-project.discourse.group/u/tmerlin)\
**Post date:** [September 20, 2023, 9:03pm UTC](https://castor-project.discourse.group/t/castor-config-question/624/2 "2023-09-20T21:03:28Z")

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Dear Weasley,  
When using castor-recon, the _-conf_ option followed by the new config path you would like to use should do the trick.

Hope this works!  
Thibaut