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> BulkDownload <- bulkBlockDownload(start_block=blocks[1], end_block=blocks[2], data_dir="~/Documents/r/ethr/1bulk/", chunk_size=50000, parallel=TRUE, cores=3)
Progress disabled when using parallel plyr
 Hide Traceback

 Rerun with Debug
 Error in gzfile(file, "wb") : cannot open the connection 
3 gzfile(file, "wb") 
2 save(block_chunk, file = paste0(data_dir, "ethr_blocks/", st, 
    "-", en, ".rda")) at bulkBlockDownload.R#33
1 bulkBlockDownload(start_block = blocks[1], end_block = blocks[2], 
    data_dir = "~/Documents/r/ethr/1bulk/", chunk_size = 50000, 
    parallel = TRUE, cores = 3) 
In addition: Warning messages:
1: <anonymous>: ... may be used in an incorrect context: ‘.fun(piece, ...)’

2: <anonymous>: ... may be used in an incorrect context: ‘.fun(piece, ...)’

3: In gzfile(file, "wb") :
  cannot open compressed file '/Users/markthomas/Documents/r/ethr/1bulk/ethr_blocks/1246788-1246807.rda', probable reason 'No such file or directory'

README.Rmd:Line120: BulkDownload <- bulkBlockDownload(start_block=blocks[1], end_block=blocks[1], data_dir, chunk_size = 50000,
                              parallel = TRUE, cores = 3)

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Error in data.frame(blNumber = as.numeric(hexDec(block$number)), blTimestamp = as.POSIXct(as.numeric(hexDec(block$timestamp)),  : 
  arguments imply differing number of rows: 1, 0

> devtools::install_github("BSDStudios/ethr")
Downloading GitHub repo BSDStudios/ethr@master
from URL https://api.github.com/repos/BSDStudios/ethr/zipball/master
Installing ethr
"C:/PROGRA~1/R/R-33~1.2/bin/x64/R" --no-site-file --no-environ --no-save  \
  --no-restore --quiet CMD INSTALL  \
  "C:/Users/<User>/AppData/Local/Temp/Rtmp0qFgN7/devtools2bb024ee5c6a/BSDStudios-ethr-875ad25"  \
  --library="C:/Program Files/R/R-3.3.2/library" --install-tests 

The system cannot find the path specified.
* installing *source* package 'ethr' ...
** R
** data
*** moving datasets to lazyload DB
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded
*** arch - i386
*** arch - x64
* DONE (ethr)
Error: Command failed (1)