This is the wrong part of my code.
>
>> idName=users[users$id %in% ext]
> id name
> 1: U03AEKWTL agreenmamba
> 2: U032FHV3S poisonivy
> 3: U03AEKYL4 vairis
>
Best is to use:
idNames <- users[pmatch(ext, users$id, duplicates.ok = T)]. This leave
me with an ordered and duplicate entries :
> idNames <- users[pmatch(ext, users$id, duplicates.ok = T)]
id name
1: U03AEKYL4 vairis
2: U03AEKYL4 vairis
3: U03AEKWTL agreenmamba
4: U032FHV3S poisonivy
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