split_from {staplr}

Splits single input PDF document into parts from given points

Description

If the toolkit Pdftk is available in the system, it will be called to Split a single input PDF document into two parts from a given point

See the reference for detailed usage of pdftk.

Usage

split_from(
  pg_num,
  input_filepath = NULL,
  output_directory = NULL,
  prefix = "part",
  overwrite = TRUE
)

Arguments

pg_num

A vector of non-negative integers. Split the pdf document into parts from the numbered pages.

input_filepath

the path of the input PDF file. The default is set to NULL. IF NULL, it prompt the user to select the folder interactively.

output_directory

the path of the output directory

prefix

A string for output filename prefix

overwrite

If a file exists in output_filepath, should it be overwritten.

Value

TRUE if the operation was succesfful. FALSE if the operation fails.

Author(s)

Priyanga Dilini Talagala and Ogan Mancarci

References

https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/

Examples

if (requireNamespace("lattice", quietly = TRUE)) {
dir <- tempfile()
dir.create(dir)
for(i in 1:4) {
pdf(file.path(dir, paste("plot", i, ".pdf", sep = "")))
print(lattice::xyplot(iris[,1] ~ iris[,i], data = iris))
dev.off()
}
staple_pdf(input_directory = dir, output_filepath = file.path(dir, 'Full_pdf.pdf'))
input_path <- file.path(dir, "Full_pdf.pdf")
split_from(pg_num=2, input_filepath = input_path ,output_directory = dir )
}