import cligen, os, streams
import common

proc catFile(file:string) =
    if not existsFile(file):
        echo "cat: " & file & ": No such file or directory"
        return
    var s = newFileStream(file, fmRead)
    while not s.atEnd:
        write(stdout, s.readChar)

proc catStdin() =
    var line = ""
    while stdin.readLine(line):
        echo line

proc main(files:seq[string]) =
    if files.len == 0:
        catStdin()
    for file in files:
        if file == "-":
            catStdin()
        else:
            catFile(file)

dispatch(main, version=("version", nimbaseVersion))