forceutf8

#!/usr/bin/env php
<?php
/**
 Usage:

   ls | forceutf8      # send input via stdin
 
   forceutf8 file.txt   # output converted file.txt
 
   forceutf8 file.txt replace   # do not output contents, replace instead (caution!)
 
   for file in `find .`;do;forceutf8 "$file" replace;done    # process current folder recursively  (Linux)
   
   for file in ./*;do;forceutf8 "$file" replace;done    # process current folder non-recursively  (Linux)
   
*/

require_once("Encoding.php");

if(empty($argv[1])) {
    while($f = fgets(STDIN)){
        echo ForceUTF8\Encoding::toUTF8($f);
    }
} else {
    if(!file_exists($argv[1])){
        echo("Specifiy the file to convert or pipe some text.\n");
        die();
    } else if(!is_file($argv[1])) {
        echo($argv[1]." is a directory.\n");
        die();
    } else {
        $filename = $argv[1];
        echo($filename."\n");
        $file = fopen($filename, "r");
        $output = null;
        if(!empty($argv[2]) && $argv[2] == "replace") {
            $output_filename = $argv[1].".forceutf8";
            $output = fopen($output_filename, "w");
        }

        while($f = fgets($file)){
            if(!is_null($output)) {
                fputs($output, ForceUTF8\Encoding::toUTF8($f));
            } else {
                echo ForceUTF8\Encoding::toUTF8($f);
            }
        }
        fclose($file);
        if(!is_null($output)) fclose($output);
        unlink($filename);
        rename($output_filename, $filename);
    }
}