\name{touchFCS} \alias{touchFCS} \title{Check for FCS files} \description{ The function reads the header of a file or of a range of files and checks wether they are valid FCS 2.0 or FCS 3.0 files. } \usage{ touchFCS(path = ".", file) } \arguments{ \item{path}{character, the path to a folder containing files} \item{file}{character, the path to a single file} } \details{ The user may either specify the path to a directory in which to search for FCS files or the path to a single file. } \value{ A character vector with names of the valid FCS files found. } \author{fhahne} \keyword{IO}