diff --git a/bin/webstatus-manifest-generator.js b/bin/webstatus-manifest-generator.js
index d338738..db937ea 100755
--- a/bin/webstatus-manifest-generator.js
+++ b/bin/webstatus-manifest-generator.js
@@ -1,104 +1,134 @@
 #!/usr/bin/env node
 
-'use strict';
+"use strict";
 
-const figlet = require('figlet');
-const chalk = require('chalk');
-const fs = require('fs');
+const figlet = require("figlet");
+const chalk = require("chalk");
+const fs = require("fs");
+const find = require("find");
+const pkg = require("../package.json");
+
+const warnSymbol = "⚠️";
+const headExplode = "🤯";
+const rightArrow = "➡️";
 
 function recFindByExt(base, ext, files, result) {
-    files = files || fs.readdirSync(base)
-    result = result || []
+    files = files || fs.readdirSync(base);
+    result = result || [];
 
-    files.forEach(
-        function (file) {
-            var newbase = path.join(base,file)
-            if ( fs.statSync(newbase).isDirectory() ) {
-                result = recFindByExt(newbase,ext,fs.readdirSync(newbase),result)
-            } else {
-                if ( file.substr(-1*(ext.length+1)) == '.' + ext ) {
-                    result.push(newbase)
-                }
+    files.forEach(function(file) {
+        var newbase = path.join(base, file);
+        if (fs.statSync(newbase).isDirectory()) {
+            result = recFindByExt(
+                newbase,
+                ext,
+                fs.readdirSync(newbase),
+                result
+            );
+        } else {
+            if (file.substr(-1 * (ext.length + 1)) == "." + ext) {
+                result.push(newbase);
             }
         }
-    )
-    return result
+    });
+    return result;
 }
 
 function pprint(obj) {
-    console.log("%o", obj)
+    console.log("%o", obj);
 }
 
-function outputManifest (path, fileList) {
-    if(!fileList) {
-        l = []
+function outputManifest(path, fileList) {
+    if (!fileList) {
+        l = [];
     }
     const output = {
-        version: 1,
-        '$id': 'berlin.sneak.ns.webstatus.manifest-v1',
+        $id: "berlin.sneak.ns.webstatus.manifest-v1",
         manifest: fileList
-    }
-    fs.writeFileSync(path + ".tmp", JSON.stringify(output))
-    fs.renameSync(path + ".tmp", path)
+    };
+    fs.writeFileSync(path + ".tmp", JSON.stringify(output));
+    fs.renameSync(path + ".tmp", path);
 }
 
 function main() {
-    const commander = require('commander');
+    const commander = require("commander");
     const program = new commander.Command();
-    program.version('0.0.1', '-v --version', 'output current version');
+    program.version(pkg.version, "-v --version", "output current version");
     program
-        .option('-s --source <directory>', 'directory to scan/write', '.')
-        .option('-v --verbose', 'verbose output', false)
-        .option('-q --quiet', 'no output', false)
+        .option("-s --source <directory>", "directory to scan/write", ".")
+        .option("-v --verbose", "verbose output", false)
+        .option("-q --quiet", "no output", false);
 
     program.parse(process.argv);
 
-    const print = (x) => {
-        if(program.quiet) {
-            return
+    const print = x => {
+        if (program.quiet) {
+            return;
         }
-        console.log(x)
-    }
+        console.log(x);
+    };
 
-    const log = {}
+    const log = {};
 
-    log.info = (x) => {
-        print(chalk.blue(x))
-    }
+    log.info = x => {
+        print(rightArrow + chalk.blue("  " + x));
+    };
 
-    log.die = (x) => {
-        print(chalk.bold.red('error: ' + x))
-        print(chalk.bold.red('exiting.'))
-        process.exit(-1)
-    }
+    log.die = x => {
+        print(warnSymbol + chalk.bold.red("  " + x));
+        print(headExplode);
+        process.exit(-1);
+    };
 
-    log.huge = (x) => {
+    log.huge = x => {
         var f = figlet.textSync(x, {
-            font: 'Red Phoenix',
-            horizontalLayout: 'default',
-            verticalLayout: 'default'
-        })
-        print(chalk.red(f))
-    }
+            font: "Red Phoenix",
+            horizontalLayout: "default",
+            verticalLayout: "default"
+        });
+        print(chalk.red(f));
+    };
 
-    log.huge('webstatus')
+    log.huge("webstatus");
     //const dir = program.source
     //pprint(program)
-    if(!fs.lstatSync(program.source).isDirectory()) {
-        log.die(`${program.source} is not a directory`)
+    if (!fs.lstatSync(program.source).isDirectory()) {
+        log.die(`${program.source} is not a directory`);
     } else {
-        log.info(`scanning ${program.source} for images...`)
+        process.chdir(program.source);
+        program.source = process.cwd();
+        log.info(`scanning ${program.source} for images...`);
     }
 
-    var fileList = []
-    var manifestFilename = program.source + '/webstatus.manifest.json'
+    var fileList = [];
+    var manifestFilename = program.source + "/webstatus.manifest.json";
 
-    //FIXME scan for files
-    //
-    log.info(`writing ${fileList.length} entries to manifest ${manifestFilename}`)
-    outputManifest(manifestFilename, fileList)
+    const matchRE = /\.(png|gif|jpg|jpeg|webp)$/i;
 
-    log.die("unimplemented")
+    var candidateList = find.fileSync(matchRE, program.source);
+
+    candidateList.forEach(fn => {
+        var stat = fs.statSync(fn);
+        var prefix = new RegExp("^" + program.source + "/");
+        fn = fn.replace(prefix, "");
+        fileList.push({
+            // FIXME read image size from files so that
+            // renderer can scale them more intelligently
+            $id: "berlin.sneak.ns.webstatus.fileitem-v1",
+            path: fn,
+            mtime: stat.mtime
+        });
+    });
+    log.info(
+        `writing ${fileList.length} entries to manifest ${manifestFilename}`
+    );
+    try {
+        outputManifest(manifestFilename, fileList);
+    } catch (err) {
+        program.quiet = false;
+        log.die(`unable to write manifest: ${err}`);
+    }
+    log.info("success");
 }
 
 main();
diff --git a/package.json b/package.json
index fdf1edb..df5443b 100644
--- a/package.json
+++ b/package.json
@@ -1,49 +1,49 @@
 {
-  "name": "@sneak.berlin/webstatus",
-  "version": "1.0.0",
-  "description": "webstatus app for displaying a directory of images",
-  "main": "index.js",
-  "bin": {
-    "webstatus-manifest-generator": "./bin/webstatus-manifest-generator.js"
-  },
-  "dependencies": {
-    "@testing-library/jest-dom": "^4.2.4",
-    "@testing-library/react": "^9.3.2",
-    "@testing-library/user-event": "^7.1.2",
-    "chalk": "^3.0.0",
-    "figlet": "^1.3.0",
-    "find": "^0.3.0",
-    "prettier": "^1.19.1",
-    "react": "^16.13.0",
-    "react-dom": "^16.13.0",
-    "react-scripts": "3.4.0"
-  },
-  "scripts": {
-    "start": "react-scripts start",
-    "build": "react-scripts build",
-    "test": "react-scripts test",
-    "eject": "react-scripts eject",
-    "fmt": "prettier -- --write bin/**/*.js src/**/*.js package.json"
-  },
-  "eslintConfig": {
-    "extends": "react-app"
-  },
-  "browserslist": {
-    "production": [
-      ">0.2%",
-      "not dead",
-      "not op_mini all"
-    ],
-    "development": [
-      "last 1 chrome version",
-      "last 1 firefox version",
-      "last 1 safari version"
-    ]
-  },
-  "repository": {
-    "type": "git",
-    "url": "https://git.eeqj.de/sneak/webstatus.git"
-  },
-  "author": "sneak <sneak@sneak.berlin>",
-  "license": "WTFPL"
+    "name": "@sneak.berlin/webstatus",
+    "version": "1.0.0",
+    "description": "webstatus app for displaying a directory of images",
+    "main": "index.js",
+    "bin": {
+        "webstatus-manifest-generator": "./bin/webstatus-manifest-generator.js"
+    },
+    "dependencies": {
+        "@testing-library/jest-dom": "^4.2.4",
+        "@testing-library/react": "^9.3.2",
+        "@testing-library/user-event": "^7.1.2",
+        "chalk": "^3.0.0",
+        "figlet": "^1.3.0",
+        "find": "^0.3.0",
+        "prettier": "^1.19.1",
+        "react": "^16.13.0",
+        "react-dom": "^16.13.0",
+        "react-scripts": "3.4.0"
+    },
+    "scripts": {
+        "start": "react-scripts start",
+        "build": "react-scripts build",
+        "test": "react-scripts test",
+        "eject": "react-scripts eject",
+        "fmt": "prettier --write --tab-width 4 -- bin/**/*.js src/**/*.js package.json"
+    },
+    "eslintConfig": {
+        "extends": "react-app"
+    },
+    "browserslist": {
+        "production": [
+            ">0.2%",
+            "not dead",
+            "not op_mini all"
+        ],
+        "development": [
+            "last 1 chrome version",
+            "last 1 firefox version",
+            "last 1 safari version"
+        ]
+    },
+    "repository": {
+        "type": "git",
+        "url": "https://git.eeqj.de/sneak/webstatus.git"
+    },
+    "author": "sneak <sneak@sneak.berlin>",
+    "license": "WTFPL"
 }
diff --git a/src/WebStatus.js b/src/WebStatus.js
index 1da0c4c..57be168 100644
--- a/src/WebStatus.js
+++ b/src/WebStatus.js
@@ -1,25 +1,22 @@
-import React from 'react';
+import React from "react";
 //import logo from './logo.svg';
-import './WebStatus.css';
+import "./WebStatus.css";
 
 class WebStatusImage extends React.Component {
     render() {
-        return (
-            <img className="webstatusimage" src={this.props.url} />
-        )
+        return <img className="webstatusimage" src={this.props.url} />;
     }
 }
 
 class WebStatus extends React.Component {
     render() {
-
-        const currentImageUrl = "http://placekitten.com/3840/2160"
+        const currentImageUrl = "http://placekitten.com/3840/2160";
 
         return (
             <div className="webstatus">
                 <WebStatusImage url={currentImageUrl} />
             </div>
-        )
+        );
     }
 }
 
diff --git a/src/index.js b/src/index.js
index edd75d4..1c21908 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,6 +1,6 @@
-import React from 'react';
-import ReactDOM from 'react-dom';
-import './index.css';
-import WebStatus from './WebStatus';
+import React from "react";
+import ReactDOM from "react-dom";
+import "./index.css";
+import WebStatus from "./WebStatus";
 
-ReactDOM.render(<WebStatus />, document.getElementById('root'));
+ReactDOM.render(<WebStatus />, document.getElementById("root"));
diff --git a/src/setupTests.js b/src/setupTests.js
index 74b1a27..5fdf001 100644
--- a/src/setupTests.js
+++ b/src/setupTests.js
@@ -2,4 +2,4 @@
 // allows you to do things like:
 // expect(element).toHaveTextContent(/react/i)
 // learn more: https://github.com/testing-library/jest-dom
-import '@testing-library/jest-dom/extend-expect';
+import "@testing-library/jest-dom/extend-expect";