Usage
## S3 method for class 'default}(con=NULL, code=NULL, numerate=TRUE, lines=-1, wrap=79, highlight=NULL, pager=getOption("pager"), ...)':
displayCodeundefined
- con
{A connection
or a character
string filename.
If code
is specified, this argument is ignored.}
- code
{A character
vector
of code lines to be displayed.}
- numerate
{If TRUE
, line are numbers, otherwise not.}
- lines
{If a single numeric
, the maximum number of lines to show.
If -1, all lines are shown. If a vector
of numeric
, the lines
numbers to display.}
- wrap
{The (output) column numeric
where to wrap lines.}
- highlight
{A vector
of line number to be highlighted.}
- pager
{If "none"
, code is not displayed in a pager, but
only returned. For other options, see file.show
().}
- ...
{Additional arguments passed to file.show
(),
which is used to display the formatted code.}
Returns (invisibly) the formatted code as a character
string.
file <- system.file("DESCRIPTION", package="R.utils")
cat("Displaying: ", file, ":
", sep="")
displayCode(file)
file <- system.file("CONTENTS", package="R.utils")
cat("Displaying: ", file, ":
", sep="")
displayCode(file, numerate=FALSE, lines=100:110, wrap=65)
file <- system.file("CONTENTS", package="R.utils")
cat("Displaying: ", file, ":
", sep="")
displayCode(file, lines=100:110, wrap=65, highlight=c(101,104:108))
[object Object]
file.show
().
file
IO