List all unique commands in a document

List all unique commands in a document

commands_used(tex_lines)

Arguments

tex_lines	A LaTeX document as read from readr::read_lines or readLines.

Value

A character vector of unique commands used in tex_lines.

Examples

commands_used(c("A \\abc{d}", "\\def{x}"))
#> [1] "\\abc" "\\def"