Convert slashes in a string from / to \\ if the operating system is windows. Do the reverse if the OS is unix.
convSlashes(expr, os=.Platform$OS.type, addQuotes=FALSE)String value (usually a system pathway).
operating system (either "windows" or "unix").
logical: if TRUE, enclose the string expression
in escaped double quotation marks.
Returns the input string modified to have the appropriate slashes for the specified operating system.