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parse_date and parse_datetime not converting abbreviated month names #219

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ryangarner opened this Issue Jul 20, 2015 · 2 comments

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@ryangarner

ryangarner commented Jul 20, 2015

I'm having an issue with parse_date and parse_datetime recognizing %b (abbreviated name in current locale). Do I need to change LC_TIME?

as.Date("1jan1960", "%d%b%Y")
[1] "1960-01-01"
parse_date("1jan1960", "%d%b%Y")
[1] NA
Warning message:
1 problems parsing input. See problems(...) for more details. 
strptime("1jan1960", "%d%b%Y")
[1] "1960-01-01 UTC"
parse_datetime("1jan1960", "%d%b%Y")
[1] NA
Warning message:
1 problems parsing input. See problems(...) for more details. 
sessionInfo()
R version 3.1.3 (2015-03-09)
Platform: x86_64-unknown-linux-gnu (64-bit)
Running under: CentOS release 6.6 (Final)

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C               LC_TIME=en_US.UTF-8       
 [4] LC_COLLATE=en_US.UTF-8     LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8   
 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C                  LC_ADDRESS=C              
[10] LC_TELEPHONE=C             LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C       

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] readr_0.1.0         stringr_0.6.2       RevoUtilsMath_7.4.0 RevoUtils_7.4.0    
[5] RevoMods_7.4.0      RevoScaleR_7.4.0    lattice_0.20-30     rpart_4.1-9        

loaded via a namespace (and not attached):
[1] codetools_0.2-10 foreach_1.4.2    grid_3.1.3       iterators_1.0.7  Rcpp_0.11.5     
[6] tools_3.1.3
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hadley commented Jul 21, 2015

That's currently a known problem :/

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hadley commented Sep 3, 2015

The problem here is actually capitalisation. This works:

parse_date("1 Jan 1960", "%d %b %Y")

@hadley hadley closed this in ab990b7 Sep 3, 2015

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