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https://issues.apache.org/jira/browse/HADOOP-10579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18085748#comment-18085748
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ASF GitHub Bot commented on HADOOP-10579:
-----------------------------------------
LamiumAmplexicaule commented on code in PR #8259:
URL: https://github.com/apache/hadoop/pull/8259#discussion_r3347323630
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/find/Perm.java:
##########
@@ -0,0 +1,209 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.fs.shell.find;
+
+import java.io.IOException;
+import java.util.Deque;
+
+import org.apache.hadoop.fs.permission.FsPermission;
+import org.apache.hadoop.fs.shell.PathData;
+
+/**
+ * Implements the -perm expression for the {@link
org.apache.hadoop.fs.shell.find.Find} command.
+ */
+final class Perm extends BaseExpression {
+ /**
+ * Registers this expression with the specified factory.
+ */
+ public static void registerExpression(ExpressionFactory factory) throws
IOException {
+ factory.addClass(Perm.class, "-perm");
+ }
+
+ private static final String[] USAGE = {"-perm [-]mode", "-perm [-]onum"};
+ private static final String[] HELP = {"Evaluates as true if the file
permissions match that",
+ "specified. If the hyphen is specified then the expression",
+ "shall evaluate as true if at least the bits specified",
+ "match, otherwise an exact match is required.",
+ "The mode may be specified using either symbolic notation,",
+ "eg 'u=rwx,g+x+w' or as an octal number."};
Review Comment:
It wasn’t implemented in a way that would pass, so I fixed the parsing part
to allow `g+x+w` in
https://github.com/apache/hadoop/pull/8259/changes/9d86bfe39a675a48152ba2249f12723578d56506.
> Find command - add match expressions to find command
> ----------------------------------------------------
>
> Key: HADOOP-10579
> URL: https://issues.apache.org/jira/browse/HADOOP-10579
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Jonathan Allen
> Assignee: Hiroki Egawa
> Priority: Minor
> Labels: pull-request-available
> Attachments: HADOOP-10579.patch
>
>
> Add match expressions to the find command created under HADOOP-8989, e.g.:
> - atime
> - empty
> - group
> - mtime
> - newer
> - nogroup
> - nouser
> - perm
> - regex
> - size
> - user
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