qread | R Documentation |
Reads an object in a file serialized to disk.
qread(file, use_alt_rep=FALSE, strict=FALSE, nthreads=1)
file |
The file name/path. |
use_alt_rep |
Use ALTREP when reading in string data (default |
strict |
Whether to throw an error or just report a warning (default: |
nthreads |
Number of threads to use. Default |
The de-serialized object.
x <- data.frame(int = sample(1e3, replace=TRUE), num = rnorm(1e3), char = sample(starnames$`IAU Name`, 1e3, replace=TRUE), stringsAsFactors = FALSE) myfile <- tempfile() qsave(x, myfile) x2 <- qread(myfile) identical(x, x2) # returns true # qs support multithreading qsave(x, myfile, nthreads=2) x2 <- qread(myfile, nthreads=2) identical(x, x2) # returns true # Other examples z <- 1:1e7 myfile <- tempfile() qsave(z, myfile) z2 <- qread(myfile) identical(z, z2) # returns true w <- as.list(rnorm(1e6)) myfile <- tempfile() qsave(w, myfile) w2 <- qread(myfile) identical(w, w2) # returns true
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