If R is not currently running in a system that supports terminal colours the text will be returned unchanged.

textcolor(text, fg = "red", bg = NULL)

Arguments

text

character vector

fg

foreground colour, defaults to white

bg

background colour, defaults to transparent

Details

Allowed colours are: black, blue, brown, cyan, dark gray, green, light blue, light cyan, light gray, light green, light purple, light red, purple, red, white, yellow

Author

testthat package

Examples

print(textcolor("Red", "red"))
#> [1] "\033[0;31mRed\033[0m"
cat(textcolor("Red", "red"), "\n")
#> Red
cat(textcolor("White on red", "white", "red"), "\n")
#> White on red