Query TeX file for Required Packages — tex

Parse TeX file for usepackage calls and return a vector of the packages.

tex_requirements(
  file = system.file("tmpl.tex", package = "texPreview"),
  lines = NULL
)

Arguments

file: character, Path to TeX file, Default: system.file("tmpl.tex", package = "texPreview")
lines: character, character vector containing TeX script, Default: NULL

Value

character

Details

If file is NULL then function will use the the value in lines. The default path used in file is the internal template that the package uses.

Examples

tex_requirements()
#>  [1] "varwidth" "xcolor"   "booktabs" "multirow" "array"    "helvet"  
#>  [7] "amsmath"  "rotating" "listings" "graphicx" "setspace" "caption"