# Empty variable check

**URL:** <https://discourse.julialang.org/t/empty-variable-check/21711>\
**Category:** General Usage\
**Tags:** question\
**Created:** [March 10, 2019, 5:41pm UTC](https://discourse.julialang.org/t/empty-variable-check/21711 "2019-03-10T17:41:26Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![yash](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/yash/32/8353_2.png) [@yash](https://discourse.julialang.org/u/yash)\
**Post date:** [March 10, 2019, 5:41pm UTC](https://discourse.julialang.org/t/empty-variable-check/21711/1 "2019-03-10T17:41:26Z")

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How can i check whether a variable contains some value or not in julia ?

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**Author:** ![rdeits](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/rdeits/32/286_2.png) [@rdeits](https://discourse.julialang.org/u/rdeits)\
**Post date:** [March 10, 2019, 6:03pm UTC](https://discourse.julialang.org/t/empty-variable-check/21711/2 "2019-03-10T18:03:48Z")

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Try `@isdefined variable_name`

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**Author:** ![yash](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/yash/32/8353_2.png) [@yash](https://discourse.julialang.org/u/yash)\
**Post date:** [March 10, 2019, 6:13pm UTC](https://discourse.julialang.org/t/empty-variable-check/21711/3 "2019-03-10T18:13:06Z")

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thankyou, I worked.

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**Author:** ![jling](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jling/32/212909_2.png) [@jling](https://discourse.julialang.org/u/jling)\
**Post date:** [March 10, 2019, 7:09pm UTC](https://discourse.julialang.org/t/empty-variable-check/21711/4 "2019-03-10T19:09:54Z")

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Please don’t forget to also mark the solution thx.