yaml_load | R Documentation |
If the yaml package is installed, use yaml::yaml.load()
to read the
data. If not, use a simple parser instead, which only supports a limited
number of data types (see “Examples”). In particular, it does not
support values that span across multiple lines (such as multi-line text).
yaml_load(x, ..., use_yaml = loadable("yaml"))
x |
A character vector of YAML data. |
... |
Arguments to be passed to |
use_yaml |
Whether to use the yaml package. |
An R object (typically a list).
# test the simple parser without using the yaml package
read_yaml = function(...) xfun::yaml_load(..., use_yaml = FALSE)
read_yaml("a: 1")
read_yaml("a: 1\nb: \"foo\"\nc: null")
read_yaml("a:\n b: false\n c: true\n d: 1.234\ne: bar")
read_yaml("a: !expr paste(1:10, collapse = \", \")")
read_yaml("a: [1, 3, 4, 2]")
read_yaml("a: [1, \"abc\", 4, 2]")
read_yaml("a: [\"foo\", \"bar\"]")
read_yaml("a: [true, false, true]")
# the other form of array is not supported
read_yaml("a:\n - b\n - c")
# and you must use the yaml package
if (loadable("yaml")) yaml_load("a:\n - b\n - c")
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