commit 877e01be76d7e48c751eb63a314ae57532ea1b71
Author: Mikko Ahlroth <mikko.ahlroth+git@gmail.com>
Date:   Fri Jul 5 10:56:14 2013 +0300

    Initial commit

diff --git a/multitail.php b/multitail.php
new file mode 100644
index 0000000..1ff846a
--- /dev/null
+++ b/multitail.php
@@ -0,0 +1,54 @@
+<?php
+
+const TAIL_CMD = 'tail -F %s';
+
+$log_globs = array_slice($argv, 1);
+
+$files = [];
+foreach ($log_globs as $glob)
+{
+    $files += glob($glob);
+}
+
+$pipes = [];
+
+if (count($files) == 0)
+{
+    fwrite(STDERR, 'No files given!');
+    return 1;
+}
+
+foreach ($files as $id => $file)
+{
+    $newkey = basename($file);
+    if (is_string($id))
+    {
+        $newkey = $id;
+    }
+
+    $pipes[$newkey] = popen(sprintf(TAIL_CMD, escapeshellarg($file)), 'r');
+    stream_set_blocking($pipes[$newkey], 0);
+}
+
+$w = null;
+$e = null;
+
+while (true)
+{
+    $read = $pipes;
+    $modified = stream_select($read, $w, $e, null);
+
+    if ($modified > 0)
+    {
+        foreach ($read as $file => $pipe)
+        {
+            $file = explode('.', $file)[0];
+            while ($line = fgets($pipe))
+            {
+                echo $file, ': ', $line;
+            }
+        }
+    }
+}
+
+return 0;