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fread: invalid estimation of DT size for small files #2518

Closed
#2623
Closed
fread: invalid estimation of DT size for small files#2518
#2623
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bugfread
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v1.11.0

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@st-pasha
st-pasha
opened on Dec 13, 2017
> data.table::fread("A\n100\n200", verbose=T)
...
  All rows were sampled since file is small so we know nrow=3 exactly
...

In fact, nrow=2 exactly. The header row is mistakenly counted with the data.

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  1. st-pasha
    added
    bug
    fread
    on Dec 13, 2017
  2. st-pasha
    added this to the milestone on Dec 13, 2017
  3. mattdowle
    added a commit that references this issue on Feb 13, 2018

    Added test from #2518

    7300928
  4. mattdowle
    closed this as completedin #2623on Feb 13, 2018
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