Based on earlier Julia users threads. This may no longer be compatible with 0.3.11 and may be shortened.
println(".juliarc define function: lastfile() ") " Name of last file in current directory " function lastfile() #Name of last file in current directory rd=readdir(pwd()) rd[indmax(map(mtime,rd))] end if VERSION >= v"0.4.0-dev+6521" println(" osol() osopen()") " Windows or Mac, open the given file in current directory " function osopen(filename::AbstractString) # open the file on Mac or on Windows @osx? run(`open $filename`) : spawn(`cmd /C "$filename"`) end " Windows or Mac, open the last file in current directory " function osol() filename=lastfile() @osx? run(`open $filename`) : spawn(`cmd /C "$filename"`) end