ansi_toupper: ANSI character translation and case folding

In cli: Helpers for Developing Command Line Interfaces

ANSI character translation and case folding

Description

There functions are similar to toupper(), tolower() and chartr(), but they keep the ANSI colors of the string.

Usage

ansi_toupper(x)

ansi_tolower(x)

ansi_chartr(old, new, x)

Arguments

x	Input string. May have ANSI colors and styles.
old	a character string specifying the characters to be translated. If a character vector of length 2 or more is supplied, the first element is used with a warning.
new	a character string specifying the translations. If a character vector of length 2 or more is supplied, the first element is used with a warning.

Value

Character vector of the same length as x, containing the translated strings. ANSI styles are retained.

See Also

Other ANSI string operations: ansi_align(), ansi_columns(), ansi_nchar(), ansi_strsplit(), ansi_strtrim(), ansi_strwrap(), ansi_substring(), ansi_substr(), ansi_trimws()

Other ANSI string operations: ansi_align(), ansi_columns(), ansi_nchar(), ansi_strsplit(), ansi_strtrim(), ansi_strwrap(), ansi_substring(), ansi_substr(), ansi_trimws()

Other ANSI string operations: ansi_align(), ansi_columns(), ansi_nchar(), ansi_strsplit(), ansi_strtrim(), ansi_strwrap(), ansi_substring(), ansi_substr(), ansi_trimws()

Examples

ansi_toupper(col_red("Uppercase"))

ansi_tolower(col_red("LowerCase"))

x <- paste0(col_green("MiXeD"), col_red(" cAsE 123"))
ansi_chartr("iXs", "why", x)

cli documentation built on June 22, 2024, 10:57 a.m.