This reproduces the problem described in #1952.

integration-tests/src/test/java/fr/pilato/elasticsearch/crawler/fs/test/integration/elasticsearch/FsCrawlerTestSshIT.java

@@ -139,4 +139,23 @@ public void test_ssh_with_key() throws Exception {
 
         countTestHelper(new ESSearchRequest().withIndex(getCrawlerName()), 1L, null);
     }
+
+    /**
+     * Test for <a href="https://github.com/dadoonet/fscrawler/issues/1952">#1952</a>
+     * @throws Exception in case of error
+     */
+    @Test
+    public void test_ssh_with_space_in_filename() throws Exception {
+        Fs fs = startCrawlerDefinition("/").build();
+        Server server = Server.builder()
+                .setHostname(sshd.getHost())
+                .setPort(sshd.getPort())
+                .setUsername(SSH_USERNAME)
+                .setPassword(SSH_PASSWORD)
+                .setProtocol(Server.PROTOCOL.SSH)
+                .build();
+        crawler = startCrawler(getCrawlerName(), fs, endCrawlerDefinition(getCrawlerName()), server);
+
+        countTestHelper(new ESSearchRequest().withIndex(getCrawlerName()), 3L, null);
+    }
 }

integration-tests/src/test/resources-binary/samples/test_ssh_with_space_in_filename/roottxtfile with space.txt

@@ -0,0 +1 @@
+This filename has spaces.

integration-tests/src/test/resources-binary/samples/test_ssh_with_space_in_filename/roottxtfile.txt

@@ -0,0 +1 @@
+This file contains some words.

integration-tests/src/test/resources-binary/samples/test_ssh_with_space_in_filename/roottxtfileEndingWithSpace

@@ -0,0 +1 @@
+This filename ends with a space.

integration-tests/src/test/resources-binary/samples/test_ssh_with_space_in_filename/with space/roottxtfile.txt

@@ -0,0 +1 @@
+This file contains some words.

integration-tests/src/test/resources-binary/samples/test_ssh_with_space_in_filename/withSpaceAtTheEnd /roottxtfile.txt

@@ -0,0 +1 @@
+This file contains some words.

integration-tests/src/test/resources-binary/samples/test_ssh_with_space_in_filename/withoutSpace/roottxtfile.txt

@@ -0,0 +1 @@
+This file contains some words.