staplr (version 2.9.0)

get_fields: Get form fields from a pdf form

Description

If the toolkit Pdftk is available in the system, it will be called to get form fields from a pdf file.

See the reference for detailed usage of pdftk.

Usage

get_fields(input_filepath = NULL)

Arguments

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.

Value

A list of fields. With type, name and value components. To use with set_fields edit the value element of the fields you want to modify. If the field of type "button", the value will be a factor. In this case the factor levels describe the possible values for the field. For example for a checkbox the typical level names would be "Off" and "Yes", corresponding to non checked and checked states respectively.

References

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

See Also

link{set_fields}

Examples

# NOT RUN {
pdfFile = system.file('testForm.pdf',package = 'staplr')
fields = get_fields(pdfFile)
# }