JuliaData / JuliaData/DelimitedFiles.jl
dlmread cannot read what dlmwrite wrote
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- Julia
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- 3
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Description
On nightly,
using DelimitedFiles
a = [[(1,2),(3,4)]]
writedlm("test.txt",a)
readdlm("test.txt")
returns
1×4 Array{Any,2}:
"(1," "2)" "(3," "4)"
Maybe writedlm should refuse to write objects it cannot read back in a sensible way (ideally, readdlm(writedlm()) should be a no-op, but that might be too restrictive).
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by running the Julia example with writedlm and readdlm to reproduce the tuple round-trip behavior. Read the behavior of these two entry points and determine whether unsupported objects should be rejected or serialized so readdlm can recover them. Done means the behavior is defined and the reported round-trip problem is addressed.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- julia
- Domain
- data
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100