# Rew file format in MOI.FileFormats / JuMP

**URL:** <https://discourse.julialang.org/t/rew-file-format-in-moi-fileformats-jump/68238>\
**Category:** Optimization (Mathematical)\
**Tags:** suggestions\
**Created:** [September 15, 2021, 11:18pm UTC](https://discourse.julialang.org/t/rew-file-format-in-moi-fileformats-jump/68238 "2021-09-15T23:18:43Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![obar](https://avatars.discourse-cdn.com/v4/letter/o/a9adbd/32.png) [@obar](https://discourse.julialang.org/u/obar)\
**Post date:** [September 15, 2021, 11:18pm UTC](https://discourse.julialang.org/t/rew-file-format-in-moi-fileformats-jump/68238/1 "2021-09-15T23:18:43Z")

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Would it be possible to include support for .rew model file formats in JuMP?

It is sometimes useful to share models where a risk of leaking proprietary information is present (e.g. here) and .mps files contain constraint/variables names where .rew doesn’t.

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**Author:** ![odow](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/odow/32/28685_2.png) [@odow](https://discourse.julialang.org/u/odow)\
**Post date:** [September 15, 2021, 11:49pm UTC](https://discourse.julialang.org/t/rew-file-format-in-moi-fileformats-jump/68238/2 "2021-09-15T23:49:46Z")

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It shouldn’t be too hard to ignore the name and write the index instead. Please open an issue (and/or a pull request). [https://github.com/jump-dev/MathOptInterface.jl](https://github.com/jump-dev/MathOptInterface.jl)

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**Author:** ![obar](https://avatars.discourse-cdn.com/v4/letter/o/a9adbd/32.png) [@obar](https://discourse.julialang.org/u/obar)\
**Post date:** [September 16, 2021, 1:54am UTC](https://discourse.julialang.org/t/rew-file-format-in-moi-fileformats-jump/68238/3 "2021-09-16T01:54:35Z")

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[https://github.com/jump-dev/MathOptInterface.jl/issues/1617](https://github.com/jump-dev/MathOptInterface.jl/issues/1617)