Search notes:

R package Hmisc: Cs

Cs creates a character vector from unqoted names. 
library(Hmisc);
char_vec <- Cs(foo, bar, baz);
print(char_vec);
#
#  "foo" "bar" "baz"
Github repository about-r, path: /packages/Hmisc/Cs.R

See also

A similar function in Perl is qw(…).
R package: Hmisc

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