diff --git a/controllers/direct_upload.js b/controllers/direct_upload.js
index 108006f..307b038 100644
--- a/controllers/direct_upload.js
+++ b/controllers/direct_upload.js
@@ -38,7 +38,7 @@ exports.create = (req, res) => {
   let uploader = new Uploader(req, res);
   uploader.upload((id, err) => {
     if (err) {
-      debug('Error during upload: %s', JSON.stringify(err));
+      debug('Error during upload: %o', err);
     }
     else {
       debug('New compendium %s successfully uploaded', id);
diff --git a/controllers/dispatch.js b/controllers/dispatch.js
index 88be405..5649a42 100644
--- a/controllers/dispatch.js
+++ b/controllers/dispatch.js
@@ -45,10 +45,10 @@ exports.dispatch = (req, res) => {
   // a) direct upload with a file attachment
   // b) no file attachment = get from share via URL parameter
   if(req.file) {
-    debug('Detected file in request, dispatching to direct upload: %s', JSON.stringify(req.file));
+    debug('Detected file in request, dispatching to direct upload: %o', req.file);
     createFromDirectUpload(req, res);
   } else {
-    debug('Detected _no_ file in request, dispatching to share upload: %s', JSON.stringify(req.body));
+    debug('Detected _no_ file in request, dispatching to share upload: %O', req.body);
     createFromShare(req, res);
   }  
 };
diff --git a/controllers/share.js b/controllers/share.js
index 79af9dc..f357aea 100644
--- a/controllers/share.js
+++ b/controllers/share.js
@@ -19,6 +19,7 @@
 const config = require('../config/config');
 const debug = require('debug')('loader:ctrl:share');
 const fs = require('fs');
+const path = require('path');
 
 const Compendium = require('../lib/model/compendium');
 const Loader = require('../lib/loader').Loader;
@@ -110,6 +111,14 @@ exports.create = (req, res) => {
 function prepareScieboLoad(req, res) {
   if (!req.body.path) { // set default value for path ('/')
     req.body.path = '/';
+  } else if (!req.body.path.startsWith('/')) { // add '/' to beginning of path
+      req.body.path = '/' + req.body.path;
+  }
+
+  //handle directly submitted zip file
+  if (req.body.path.endsWith('.zip')){
+      req.zipFile = path.basename(req.body.path);
+      req.body.path = path.dirname(req.body.path);
   }
 
   // only allow sciebo shares, see https://www.sciebo.de/de/login/index.html
@@ -127,9 +136,9 @@ function prepareScieboLoad(req, res) {
   var loader = new Loader(req, res);
   loader.loadOwncloud((data, err) => {
     if (err) {
-      debug('Error during public share load from owncloud: %s', JSON.stringify(err));
+      debug('Error during public share load from owncloud: %o', err);
     } else {
-      debug('New compendium successfully loaded: %s', JSON.stringify(data));
+      debug('New compendium successfully loaded: %o', data);
 
       if (config.slack.enable) {
         let compendium_url = req.protocol + '://' + req.get('host') + '/api/v1/compendium/' + data.id;
@@ -164,9 +173,9 @@ function prepareZenodoLoad(req, res) {
   var loader = new Loader(req, res);
   loader.loadZenodo((data, err) => {
     if (err) {
-      debug('Error during public share load from Zenodo: %s', JSON.stringify(err));
+      debug('Error during public share load from Zenodo: %o', err);
     } else {
-      debug('New compendium successfully loaded: %s', JSON.stringify(data));
+      debug('New compendium successfully loaded: %o', data);
 
       if (config.slack.enable) {
         let compendium_url = req.protocol + '://' + req.get('host') + '/api/v1/compendium/' + data.id;
diff --git a/index.js b/index.js
index f0d88fd..686aa99 100644
--- a/index.js
+++ b/index.js
@@ -170,7 +170,7 @@ function initApp(callback) {
         debug('Error starting slackbot (disabling it now): %s', err);
         config.slack.enable = false;
       }, (done) => {
-        debug('Slack bot enabled and configured - nice! %s', JSON.stringify(done));
+        debug('Slack bot enabled and configured - nice! %o', done);
       });
     }
 
@@ -192,9 +192,9 @@ function initApp(callback) {
           } else {
             function onFinished(err, output) {
               if(err) {
-                debug('error pulling meta image: %s', JSON.stringify(err));
+                debug('error pulling meta image: %o', err);
               } else {
-                debug('pulled meta tools image: %s', JSON.stringify(output));
+                debug('pulled meta tools image: %O', output);
               }
               delete docker;
             }
diff --git a/lib/bagit.js b/lib/bagit.js
index e74471e..b007816 100644
--- a/lib/bagit.js
+++ b/lib/bagit.js
@@ -45,7 +45,7 @@ function validateBag(passon) {
         bag
             .validate(config.bagit.validation.fast)
             .then((res) => {
-                debug('[%s] bag is valid: %s', passon.id, JSON.stringify(res));
+                debug('[%s] bag is valid: %o', passon.id, res);
                 passon.bagValid = true;
                 fulfill(passon);
             }).catch((err) => {
diff --git a/lib/loader.js b/lib/loader.js
index 0821e7a..df434cd 100644
--- a/lib/loader.js
+++ b/lib/loader.js
@@ -40,6 +40,7 @@ function Loader(req, res) {
             content: req.body.content_type,
             shareURL: encodeURI(this.req.body.share_url),
             webdav_path: this.req.body.path,
+            zipFile : this.req.zipFile,
             user: this.req.user.orcid,
             req: this.req,
             res: this.res
@@ -63,7 +64,7 @@ function Loader(req, res) {
                 done({ id: passon.id, share_url: passon.shareURL }, null);
             })
             .catch(err => {
-                debug('Rejection or unhandled failure during load from public share: %s\n%s', JSON.stringify(err), err);
+                debug('Rejection or unhandled failure during load from public share: %o\n%s', err, err);
                 let status = 500;
                 if (err.status) {
                     status = err.status;
@@ -108,7 +109,7 @@ function Loader(req, res) {
                 done({ id: passon.id, share_url: passon.zenodoURL }, null);
             })
             .catch(err => {
-                debug('Rejection or unhandled failure during load from zenodo: %s\n%s', JSON.stringify(err), err);
+                debug('Rejection or unhandled failure during load from zenodo: %o\n%s', err, err);
                 let status = 500;
                 if (err.status) {
                     status = err.status;
diff --git a/lib/meta.js b/lib/meta.js
index 0618ff6..bcd6d0f 100644
--- a/lib/meta.js
+++ b/lib/meta.js
@@ -35,7 +35,7 @@ module.exports.broker = function (id, metadata_dir, metadata_file, current_mappi
             metadata_dir + ':' + metadata_dir
         ];
         if(config.fs.volume) {
-            debug('[%s] volume is configured, overwriting binds configuration (was %s)', id, JSON.stringify(binds));
+            debug('[%s] volume is configured, overwriting binds configuration (was %o)', id, binds);
             // metadata_dir always starts with config.fs.base, mounting more than needed but limiting scope with cmd
             binds = [
                 config.fs.volume + ':' + config.fs.base
@@ -71,13 +71,13 @@ module.exports.broker = function (id, metadata_dir, metadata_file, current_mappi
         };
 
         docker.run(config.meta.container.image, cmd, containerLogStream, create_options, start_options, (err, data, container) => {
-            debug('[%s] container running: %s', id, JSON.stringify(container));
+            debug('[%s] container running: %o', id, container);
             if (err) {
                 debug('[%s] error during metadata brokering:', err);
                 reject(err);
             } else {
                 if (data.StatusCode === 0) {
-                    debug('[%s] Completed metadata brokering for %s: %s', id, current_mapping, JSON.stringify(data));
+                    debug('[%s] Completed metadata brokering for %s: %O', id, current_mapping, data);
 
                     // check if metadata was found, if so return it
                     try {
@@ -113,7 +113,7 @@ module.exports.broker = function (id, metadata_dir, metadata_file, current_mappi
                         reject(err);
                     }
                 } else {
-                    debug('[%s] Error during meta container run brokering %s: %s', id, current_mapping, JSON.stringify(data));
+                    debug('[%s] Error during meta container run brokering %s: %o', id, current_mapping, data);
                     container.logs({
                         follow: true,
                         stdout: true,
diff --git a/lib/slack.js b/lib/slack.js
index cde2c34..507e8a5 100644
--- a/lib/slack.js
+++ b/lib/slack.js
@@ -32,23 +32,23 @@ exports.start = function (err, done) {
   bot2r = slack.rtm.client();
 
   bot2r.started(function (payload) {
-    debug('Started... payload from rtm.start: %s', JSON.stringify(payload));
+    debug('Started... payload from rtm.start: %o', payload);
   });
 
   bot2r.channel_joined(function (payload) {
-    debug('payload from channel joined', JSON.stringify(payload));
+    debug('payload from channel joined: %o', payload);
   });
 
   bot2r.message(function (payload) {
-    debug('[message] Incoming message: %s', JSON.stringify(payload));
+    debug('[message] Incoming message: %o', payload);
   });
 
   bot2r.goodbye(function (payload) {
-    debug('[goodbye] Server wants to close the connection soon... %s', JSON.stringify(payload));
+    debug('[goodbye] Server wants to close the connection soon... %o', payload);
   });
 
   bot2r.hello(function (payload) {
-    debug('[hello] connected to server: %s', JSON.stringify(payload));
+    debug('[hello] connected to server: %s', payload);
 
     joinChannelAndSayHello(err, done);
   });
@@ -69,7 +69,7 @@ joinChannelAndSayHello = function (err, done) {
       err(e);
     }
     else {
-      debug('Response on posting startup message to %s: %s', config.slack.channel.status, JSON.stringify(data));
+      debug('Response on posting startup message to %s: %o', config.slack.channel.status, data);
       done(data);
     }
   });
@@ -91,7 +91,7 @@ exports.newDirectUpload = function (compendium_url, orcid) {
       if (data.ok) {
         debug('Message send was OK');
       } else {
-        debug('Message send NOT OK. Response for posting new direct upload message: %s', JSON.stringify(data));
+        debug('Message send NOT OK. Response for posting new direct upload message: %o', data);
       }
     }
   });
@@ -113,7 +113,7 @@ exports.newShareUpload = function (compendium_url, orcid, share_url) {
       if (data.ok) {
         debug('Message send was OK');
       } else {
-        debug('Message send NOT OK. Response for posting new share upload message: %s', JSON.stringify(data));
+        debug('Message send NOT OK. Response for posting new share upload message: %o', data);
       }
     }
   });
diff --git a/lib/steps.js b/lib/steps.js
index c503a9e..63aa109 100644
--- a/lib/steps.js
+++ b/lib/steps.js
@@ -62,7 +62,6 @@ function publicShareLoad(passon) {
         .then(checkContents)
         .then(checkAndLoadZip)
         .then(checkAndCopyCompendium)
-        .then(checkAndLoadDirectory)
         .then(checkAndLoadFiles)
         .catch(function (err) {
             debug('[%s] Error loading public share (rethrow): %s', passon.id, err);
@@ -258,7 +257,13 @@ function analyzeContents(passon) {
                 result.bagitCount++;
             } else if (contents[i].mime === 'application/zip') {
                 result.zipCount++;
-                result.zipName = contents[i].basename;
+                if (passon.zipFile) {
+                    //use the file provided in the path parameter (support for zip file names in path parameter)
+                    result.zipName = passon.zipFile;
+                } else {
+                    //use the file found in the webdav directory
+                    result.zipName = contents[i].basename;
+                }
                 if (result.zipName === 'webdav') { // return an error message if a zip file is submitted directly
                     debug('Direct file submission is not supported.');
                     let err = new Error('Direct file submission is not supported. Please submit a shared folder containing the file.');
@@ -335,8 +340,18 @@ function checkAndCopyCompendium(passon) {
 function checkAndLoadZip(passon) {
     //Check if a single zip file exists -> load and unzip it
     return new Promise((fulfill, reject) => {
-        if (passon.result.zipCount === 1 && passon.result.bagitCount === 0) {
-            debug('[%s] Single zip file found: %s', passon.id);
+        if (passon.result.zipCount >= 1 && passon.result.bagitCount === 0) {
+            if (passon.result.zipCount === 1) {
+                debug('[%s] Single zip file found: %s', passon.id);
+            } else if (passon.zipFile){
+                debug('[%s] Multiple zip files found: %s. Filename %s was provided.', passon.id, passon.zipFile);
+            } else {
+                debug('[%s] Multiple zip files found but no filename provided, aborting.', passon.id);
+                let error = new Error();
+                error.msg = 'Multiple zip files found but no filename provided';
+                error.status = 404;
+                reject(error);
+            }
             return passon.client
                 .getFileContents(path.join(passon.webdav_path, passon.result.zipName))
                 .then(function (zipData) {
@@ -363,23 +378,9 @@ function checkAndLoadZip(passon) {
     });
 }
 
-function checkAndLoadDirectory(passon) {
-    //Check if a single directory exists -> throw error
-    return new Promise((fulfill, reject) => {
-        if (passon.result.directoryCount === 1 && passon.result.bagitCount === 0 && passon.result.zipCount !== 1) {
-            let error = new Error();
-            error.msg = 'Single directory found. Use the "path" parameter to point to the compendium directory.';
-            error.status = 404;
-            reject(error);
-        } else {
-            fulfill(passon);
-        }
-    });
-}
-
 function checkAndLoadFiles(passon) {
     return new Promise((fulfill, reject) => {
-        if (passon.result.directoryCount === 0 && passon.result.bagitCount === 0 && passon.result.zipCount === 0) {
+        if (passon.result.bagitCount === 0 && passon.result.zipCount === 0) {
             let share = path.join(passon.webdav_path);
             debug('[%s] Load %s files from share at: %s', passon.id, passon.result.length, share);
 
@@ -621,7 +622,7 @@ function checkEncoding(passon) {
         }
 
         if (invalidFiles.length !== 0) {
-            debug('[%s] Unsupported encoding found in file(s) %s!', passon.id, JSON.stringify(invalidFiles));
+            debug('[%s] Unsupported encoding found in file(s) %o!', passon.id, invalidFiles);
             let err = new Error('unsupported encoding');
             err.status = 422;
             err.msg = {};
@@ -662,13 +663,13 @@ function extractMetadata(passon) {
             metaextract_output_dir + ':' + metaextract_output_dir
         ];
         if(config.fs.volume) {
-            debug('[%s] volume is configured, overwriting binds configuration (was %s)', passon.id, JSON.stringify(binds));
+            debug('[%s] volume is configured, overwriting binds configuration (was %o)', passon.id, binds);
             // passon.compendium_path always starts with config.fs.base
             binds = [
                 config.fs.volume + ':' + config.fs.base
             ];
         }
-        debug('[%s] Binds: %s', passon.id, JSON.stringify(binds));
+        debug('[%s] Binds: %o', passon.id, binds);
 
         // run metadata extraction container
         let create_options = Object.assign(
@@ -710,7 +711,7 @@ function extractMetadata(passon) {
                 reject(err);
             } else {
                 if (data.StatusCode === 0) {
-                    debug('[%s] Completed metadata extraction: %s', passon.id, JSON.stringify(data));
+                    debug('[%s] Completed metadata extraction: %O', passon.id, data);
                     // check if metadata was found, if so put the metadata directory into passon
                     try {
                         fs.readdir(metaextract_output_dir, (err, files) => {
@@ -747,7 +748,7 @@ function extractMetadata(passon) {
                         reject(err);
                     }
                 } else {
-                    debug('[%s] Error during meta container run: %s', passon.id, JSON.stringify(data));
+                    debug('[%s] Error during meta container run: %o', passon.id, data);
                     container.logs({
                         follow: true,
                         stdout: true,
@@ -891,7 +892,7 @@ function cleanup(passon) {
                 }
             })
         ]).then((results) => {
-            debug('[%s] Finished cleanup: %s', passon.id, JSON.stringify(results));
+            debug('[%s] Finished cleanup: %o', passon.id, results);
             fulfill(passon);
         });
     });
diff --git a/lib/uploader.js b/lib/uploader.js
index b2a5890..e137a94 100644
--- a/lib/uploader.js
+++ b/lib/uploader.js
@@ -59,7 +59,7 @@ function Uploader(req, res) {
                 done(passon.id, null);
             })
             .catch(err => {
-                debug('[%s] Rejection or unhandled failure during upload: %s', passon.id, JSON.stringify(err));
+                debug('[%s] Rejection or unhandled failure during upload: %o', passon.id, err);
                 debug('[%s] Passon object:\n%s', util.inspect(passon, { depth: 1, colors: true }));
                 let status = 500;
                 if (err.status) {
@@ -72,7 +72,7 @@ function Uploader(req, res) {
                 res.status(status).send({ error: msg });
                 done(passon.id, err);
             });
-    }
+    };
 
     this.respond = (passon) => {
         return new Promise((fulfill) => {
diff --git a/package.json b/package.json
index ce5434b..d2466b7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "o2r-loader",
-  "version": "0.9.0",
+  "version": "0.10.0",
   "description": "Node.js implementation for loading compendia and workspaces from external repositories for the [o2r web api](http://o2r.info/o2r-web-api).",
   "main": "index.js",
   "scripts": {
diff --git a/test/sciebo_erc.js b/test/sciebo_erc.js
index dd4b2ea..ebf6da1 100644
--- a/test/sciebo_erc.js
+++ b/test/sciebo_erc.js
@@ -165,12 +165,11 @@ describe('Sciebo loader with compendia', function () {
         }).timeout(20000);;
     });
 
-    // not implemented yet, must be able to load specific file: https://github.com/o2r-project/o2r-loader/issues/14
-    describe.skip('create new compendium based on specific zip file in public WebDAV share with multiple zip files', () => {
-        it('should respond with an error', (done) => {
+    describe('create new compendium based on specific zip file in public WebDAV share with multiple zip files', () => {
+        it('should respond with a compendium ID', (done) => {
             let form = {
-                share_url: 'https://uni-muenster.sciebo.de/index.php/s/NSqqEdjVIjhPf0N',
-                path: '/iUaMu',
+                share_url: 'https://uni-muenster.sciebo.de/s/w9Ste65jjStVlI4',
+                path: '/newtainer2.zip',
                 content_type: 'compendium'
             };
 
@@ -186,12 +185,54 @@ describe('Sciebo loader with compendia', function () {
                 timeout: requestLoadingTimeout
             }, (err, res, body) => {
                 assert.ifError(err);
-                assert.equal(res.statusCode, 400);
-                assert.isUndefined(JSON.parse(body).id, 'returned no id');
-                assert.include(JSON.parse(body).error, 'load from share failed');
+                assert.equal(res.statusCode, 200);
+                assert.isObject(JSON.parse(body), 'returned JSON');
+                assert.isDefined(JSON.parse(body).id, 'returned id');
+                compendium_id = JSON.parse(body).id;
                 done();
             });
         }).timeout(20000);
+
+        it('should download the files in the share and make them available via API', (done) => {
+            let form = {
+                share_url: 'https://uni-muenster.sciebo.de/s/w9Ste65jjStVlI4',
+                path: '/newtainer2.zip',
+                content_type: 'compendium'
+            };
+
+            let j = request.jar();
+            let ck = request.cookie('connect.sid=' + cookie);
+            j.setCookie(ck, global.test_host);
+
+            request({
+                uri: global.test_host + '/api/v1/compendium',
+                method: 'POST',
+                jar: j,
+                form: form,
+                timeout: requestLoadingTimeout
+            }, (err, res, body) => {
+                assert.ifError(err);
+                let compendium_id = JSON.parse(body).id;
+
+                request({
+                    uri: global.test_host_read + '/api/v1/compendium/' + compendium_id,
+                    method: 'GET',
+                    jar: j,
+                    form: form,
+                    timeout: requestLoadingTimeout
+                }, (err, res, body) => {
+                    assert.ifError(err);
+                    assert.equal(res.statusCode, 200);
+                    let response = JSON.parse(body);
+
+                    assert.include(JSON.stringify(response), 'data/data/document.Rmd');
+                    assert.include(JSON.stringify(response), 'data/data/document.tex');
+                    assert.include(JSON.stringify(response), 'data/data/bagtainer.yml');
+
+                    done();
+                });
+            });
+        }).timeout(20000);;
     });
 });
 
diff --git a/test/sciebo_workspace.js b/test/sciebo_workspace.js
index 74618ab..c2c7afa 100644
--- a/test/sciebo_workspace.js
+++ b/test/sciebo_workspace.js
@@ -211,6 +211,73 @@ describe('Sciebo loader with workspaces', function () {
             });
         }).timeout(20000);
     });
+
+    describe('create new compendium based on a workspace in a public WebDAV that contains a directory', () => {
+        it('should respond with a compendium ID', (done) => {
+            let form = {
+                share_url: 'https://uni-muenster.sciebo.de/s/Dct9JUTgnhAtZaM',
+                path: '/',
+                content_type: 'workspace'
+            };
+
+            let j = request.jar();
+            let ck = request.cookie('connect.sid=' + cookie);
+            j.setCookie(ck, global.test_host);
+
+            request({
+                uri: global.test_host + '/api/v1/compendium',
+                method: 'POST',
+                jar: j,
+                form: form,
+                timeout: requestLoadingTimeout
+            }, (err, res, body) => {
+                assert.ifError(err);
+                assert.equal(res.statusCode, 200);
+                assert.isObject(JSON.parse(body), 'returned JSON');
+                assert.isDefined(JSON.parse(body).id, 'returned id');
+                done();
+            });
+        }).timeout(20000);
+
+        it('should download the files in the workspace and list them via the API', (done) => {
+            let form = {
+                share_url: 'https://uni-muenster.sciebo.de/s/Dct9JUTgnhAtZaM',
+                content_type: 'workspace'
+            };
+
+            let j = request.jar();
+            let ck = request.cookie('connect.sid=' + cookie);
+            j.setCookie(ck, global.test_host);
+
+            request({
+                uri: global.test_host + '/api/v1/compendium',
+                method: 'POST',
+                jar: j,
+                form: form,
+                timeout: requestLoadingTimeout
+            }, (err, res, body) => {
+                assert.ifError(err);
+                let compendium_id = JSON.parse(body).id;
+
+                request({
+                    uri: global.test_host_read + '/api/v1/compendium/' + compendium_id,
+                    method: 'GET',
+                    jar: j,
+                    timeout: requestLoadingTimeout
+                }, (err, res, body) => {
+                    assert.ifError(err);
+                    assert.equal(res.statusCode, 200);
+                    let response = JSON.parse(body);
+
+                    assert.include(JSON.stringify(response), 'data/main.Rmd');
+                    assert.include(JSON.stringify(response), 'data/display.html');
+                    assert.include(JSON.stringify(response), 'data/subDirectory/data.csv');
+
+                    done();
+                });
+            });
+        }).timeout(20000);
+    });
 });
 
 describe('Sciebo loader with invalid requests', () => {