Running examples in ‘fileplyr-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: ddfply
> ### Title: ddfply
> ### Aliases: ddfply
> 
> ### ** Examples
> 
> write.table(mtcars, "mtcars.csv", row.names = FALSE, sep = ",")
> # create a ddf by keeping `keepddf = TRUE`
> co <- capture.output(temp <- fileply("mtcars.csv"
+                                      , groupby = c("carb", "gear")
+                                      , fun     = identity
+                                      , collect = "list"
+                                      , sep     =  ","
+                                      , header  = TRUE
+                                      , keepddf = TRUE)
+                      , file = NULL
+                      , type = "message"
+                      )
> # use the ddf instead of reading the CSV again
> temp2 <- ddfply(file.path(strsplit(co[6], ": ")[[1]][2], "data")
+                 , groupby = c("gear")
+                 , fun     = identity
+                 , collect = "list"
+                 , sep     =  ","
+                 , header  = TRUE
+                 )
----
Job ID: erjykpthnu__2018-07-15_19_04_37
Aggregating  ... Completed in 2 secs
Collecting   ... Completed in 0.1 secs
Done!
----
> temp2
[[1]]
$key
[1] "gear=4"

$value
   mpg cyl  disp  hp drat    wt  qsec vs am gear carb
1 21.0   6 160.0 110 3.90 2.620 16.46  0  1    4    4
2 21.0   6 160.0 110 3.90 2.875 17.02  0  1    4    4
3 22.8   4 108.0  93 3.85 2.320 18.61  1  1    4    1
4 24.4   4 146.7  62 3.69 3.190 20.00  1  0    4    2
5 22.8   4 140.8  95 3.92 3.150 22.90  1  0    4    2
...


[[2]]
$key
[1] "gear=3"

$value
   mpg cyl  disp  hp drat    wt  qsec vs am gear carb
1 21.4   6 258.0 110 3.08 3.215 19.44  1  0    3    1
2 18.7   8 360.0 175 3.15 3.440 17.02  0  0    3    2
3 18.1   6 225.0 105 2.76 3.460 20.22  1  0    3    1
4 14.3   8 360.0 245 3.21 3.570 15.84  0  0    3    4
5 16.4   8 275.8 180 3.07 4.070 17.40  0  0    3    3
...


[[3]]
$key
[1] "gear=5"

$value
   mpg cyl  disp  hp drat    wt qsec vs am gear carb
1 26.0   4 120.3  91 4.43 2.140 16.7  0  1    5    2
2 30.4   4  95.1 113 3.77 1.513 16.9  1  1    5    2
3 15.8   8 351.0 264 4.22 3.170 14.5  0  1    5    4
4 19.7   6 145.0 175 3.62 2.770 15.5  0  1    5    6
5 15.0   8 301.0 335 3.54 3.570 14.6  0  1    5    8

> unlink("mtcars.csv")
> unlink(strsplit(co[6], ": ")[[1]][2], recursive = TRUE)
> 
> 
> 
> 
> base::assign(".dptime", (proc.time() - get(".ptime", pos = "CheckExEnv")), pos = "CheckExEnv")
> base::cat("ddfply", base::get(".format_ptime", pos = 'CheckExEnv')(get(".dptime", pos = "CheckExEnv")), "\n", file=base::get(".ExTimings", pos = 'CheckExEnv'), append=TRUE, sep="\t")
> cleanEx()
Error: connections left open:
	hdText (textConnection)
	paste(topLines, collapse = "\n") (textConnection)
Execution halted