source: tests/copyfile.cfa@ 4eb43fa

// 
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
// 
// copyfile.cfa -- 
// 
// Author           : Peter A. Buhr
// Created On       : Tue Jul 16 16:47:22 2019
// Last Modified By : Peter A. Buhr
// Last Modified On : Tue Jul 16 16:48:16 2019
// Update Count     : 1
// 

#include <fstream.hfa>

int main( int argc, char * argv[] ) {
    ifstream & in  = stdin;                             // default files
    ofstream & out = stdout;
    try {
        choose ( argc ) {
          case 2, 3:
            open( in, argv[1] );                        // open input file first as output creates file
            if ( argc == 3 ) open( out, argv[2] );      // only open output if input opens as output created if nonexistent
          case 1: ;                                     // use default files
          default:
            exit | "Usage [ input-file (default stdin) [ output-file (default stdout) ] ]";
        } // choose

        char ch;
        out | nlOff;                                    // turn off auto newline
        in  | nlOn;                                     // turn on reading newline

        for () {                                        // read all characters
            in | ch;
          if ( eof( in ) ) break;                       // eof ?
            out | ch;
        } // for
    } finally {
        close( in );                                    // stdin, stdout are never closed
        close( out );
    } // try
} // main

// Local Variables: //
// tab-width: 4 //
// compile-command: "cfa copyfile.cfa" //
// End: //