Open a directory with .fst files as data source

Source: R/src.R

Create a data source to access all .fst files in a directory with dplyr verbs.

src_fst(path)

Arguments

path	An existing directory

Examples

path <- tempfile()
dir.create(path)
fst::write_fst(iris, file.path(path, "iris.fst"))
fst::write_fst(mtcars, file.path(path, "mtcars"))

src <- src_fst(path)
src
#> src:  fst files in /tmp/RtmpuMCyhO/file5f5d1cd24004
#> tbls: iris, mtcars
dplyr::tbl(src, "mtcars")
#> # A tibble: 32 x 11
#>      mpg   cyl  disp    hp  drat    wt  qsec    vs    am  gear  carb
#>    <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#>  1  21.0    6.  160.  110.  3.90  2.62  16.5    0.    1.    4.    4.
#>  2  21.0    6.  160.  110.  3.90  2.88  17.0    0.    1.    4.    4.
#>  3  22.8    4.  108.   93.  3.85  2.32  18.6    1.    1.    4.    1.
#>  4  21.4    6.  258.  110.  3.08  3.22  19.4    1.    0.    3.    1.
#>  5  18.7    8.  360.  175.  3.15  3.44  17.0    0.    0.    3.    2.
#>  6  18.1    6.  225.  105.  2.76  3.46  20.2    1.    0.    3.    1.
#>  7  14.3    8.  360.  245.  3.21  3.57  15.8    0.    0.    3.    4.
#>  8  24.4    4.  147.   62.  3.69  3.19  20.0    1.    0.    4.    2.
#>  9  22.8    4.  141.   95.  3.92  3.15  22.9    1.    0.    4.    2.
#> 10  19.2    6.  168.  123.  3.92  3.44  18.3    1.    0.    4.    4.
#> # ... with 22 more rows