Decompress a 7z archive looking for shp file

The function 'shp_from_7z' uses a system call to 7z to uncompress a 7z archive. It looks specifically for a shp file inside the 7z archive.

Usage

shp_from_7z(archive)

Arguments

archive

character, path to the 7z archive.

Value

charcater, temp path to th shp file extracted.

Author

Frédéric Grelot