IOR is a simple script for dealing with IO Replay files

scripts/ior.ts

@@ -0,0 +1,65 @@
+/// <reference path="../src/harness/external/node.d.ts" />
+
+import fs = require('fs');
+import path = require('path');
+
+interface IOLog {
+    filesRead: {
+        path: string;
+        result: { contents: string; };
+    }[];
+}
+
+module Commands {
+    export function dir(obj: IOLog) {
+        obj.filesRead.filter(f => f.result !== undefined).forEach(f => {
+            console.log(f.path);
+        });
+    }
+    dir['description'] = ': displays a list of files';
+
+    export function find(obj: IOLog, str: string) {
+        obj.filesRead.filter(f => f.result !== undefined).forEach(f => {
+            var lines = f.result.contents.split('\n');
+            var printedHeader = false;
+            lines.forEach(line => {
+                if (line.indexOf(str) >= 0) {
+                    if (!printedHeader) {
+                        console.log(' === ' + f.path + ' ===');
+                        printedHeader = true;
+                    }
+                    console.log(line);
+                }
+            });
+        });
+    }
+    find['description'] = ' string: finds text in files';
+
+    export function grab(obj: IOLog, filename: string) {
+        obj.filesRead.filter(f => f.result !== undefined).forEach(f => {
+            if (path.basename(f.path) === filename) {
+                fs.writeFile(filename, f.result.contents);
+            }
+        });
+    }
+    grab['description'] = ' filename.ts: writes out the specified file to disk';
+}
+
+var args = process.argv.slice(2);
+if (args.length < 2) {
+    console.log('Usage: node ior.js path_to_file.json [command]');
+    console.log('List of commands: ');
+    Object.keys(Commands).forEach(k => console.log('   ' + k + Commands[k]['description']));
+} else {
+    var cmd: Function = Commands[args[1]];
+    if (cmd === undefined) {
+        console.log('Unknown command ' + args[1]);
+    } else {
+        fs.readFile(args[0], 'utf-8', (err, data) => {
+            if (err) throw err;
+            var json = JSON.parse(data);
+            cmd.apply(undefined, [json].concat(args.slice(2)));
+        });
+    }
+}
+