Questions tagged [crayon]
7 questions
6
votes
1 answer
How to print a R dataframe with colors?
With the crayon package, one can create colored strings:
library(crayon)
dat <- data.frame(X=c(yellow("foobar"), green("baz")), Y = cyan("qux"))
Here is the encoded dat:
> dat
X Y
1 \033[33mfoobar\033[39m…
Stéphane Laurent
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3
votes
1 answer
underline column names in R
How do you underline column names in R?
I tried saving a string and then using that with
library(crayon)
string1 <- underline("hello")
string2 <- underline("hello2")
colnames(table) <- c(string1, string2)
However string1 prints as…
user9445536
- 141
- 1
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2
votes
0 answers
(Automatically) display hexadecimal strings in RStudio console in their respective color?
I am aware that packages like crayon can make the RStudio console output appear in all kinds of colors when manually asked to do so with functions such as blue() (https://github.com/r-lib/crayon).
What would really be awesome, however, would be a…
Paul Schmidt
- 1,072
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2
votes
0 answers
Custom colored console prompt using crayon
In R I can create a custom console prompt via:
options(prompt = "foo> ")
And I can use the crayon package to make it a certain color:
options(prompt = crayon::blue("foo> "))
However, in RStudio, color changes never take effect until the prompt is…
joran
- 169,992
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1
vote
2 answers
customise R help files - font colouring
I'm wondering is it possible to customise R help files so that certain text is colour coded and easier to read. rdoc already does this except that it sends the output to the console. I would instead, like it to be sent to the help panel (i'm using…
user63230
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0
votes
2 answers
R printing non-printable crayon color codes when printing to sink()
I have two Windows machines. Both Windows 10. When I run the following code on each, I get two very different outputs:
library(tibble)
sink(file.path(tempdir(), "test.log"), append = FALSE)
print(as_tibble(mtcars))
sink()
One machine…
David J. Bosak
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0
votes
1 answer
How can I get an accurate character count when using crayon-formatted strings?
crayon is a package for adding color to printed output, e.g.
library(crayon)
message(red('blue'), green('green'), blue('red'))
However, nchar used on its output is wrong:
# should be 4 characters
nchar(red('1234'))
# [1] 14
I tried all the…
MichaelChirico
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