hello_world | R Documentation |
This function provides an example of how to call a function written using R's C API. The function itself redirects output from the printf() stream to R's Rprintf() so that it can be captured and manipulated.
hello_world()
# Gregor's suggestion
captured_data = capture.output(hello_world())
# Using sink around multiple function calls to redirect output
# to a single file
fileTemp = tempfile("sink-examp.txt")
sink(fileTemp)
hello_world()
sink()
input_data = readLines(fileTemp)
all.equal(input_data, captured_data)
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