add grep command doc. #899

core/src/main/java/com/taobao/arthas/core/command/basic1000/GrepCommand.java

@@ -14,7 +14,7 @@ import com.taobao.middleware.cli.annotations.Summary;
  * @see com.taobao.arthas.core.shell.command.internal.GrepHandler
  */
 @Name("grep")
-@Summary("grep command for pipes.\n" )
+@Summary("grep command for pipes." )
 @Description(Constants.EXAMPLE +
         " sysprop | grep java \n" +
         " sysprop | grep java -n\n" +

site/src/site/sphinx/advanced-use.md

@@ -6,6 +6,7 @@
 
 * help——查看命令帮助信息
 * [cat](cat.md)——打印文件内容，和linux里的cat命令类似
+* [grep]](grep.md)——匹配查找，和linux里的grep命令类似
 * [pwd](pwd.md)——返回当前的工作目录，和linux命令类似
 * cls——清空当前屏幕区域
 * session——查看当前会话的信息

site/src/site/sphinx/commands.md

@@ -30,6 +30,7 @@
 * [tt](tt.md)
 
 * [cat](cat.md)
+* [grep](grep.md)
 * [pwd](pwd.md)
 * [options](options.md)
 

site/src/site/sphinx/en/advanced-use.md

@@ -6,6 +6,7 @@ Advanced Usage
 * help - display Arthas help
 * cls - clear the screen
 * [cat](cat.md) - Concatenate and print files
+* [grep]](grep.md) - Pattern searcher
 * [pwd](pwd.md) - Return working directory name
 * session - display current session information
 * [reset](reset.md) - reset all the enhanced classes. All enhanced classes will also be reset when Arthas server is closed by `shutdown`

site/src/site/sphinx/en/commands.md

@@ -30,6 +30,7 @@ All Commands
 * [tt](tt.md)
 
 * [cat](cat.md)
+* [grep](grep.md)
 * [pwd](pwd.md)
 * [options](options.md)
 

site/src/site/sphinx/en/grep.md

@@ -0,0 +1,37 @@
+Grep
+===
+
+> Similar to the traditional `grep` command.
+
+
+```
+ USAGE:
+   grep [-A <value>] [-B <value>] [-C <value>] [-h] [-i] [-v] [-n] [-m <value>] [-e] [--trim-end] pattern
+
+ SUMMARY:
+   grep command for pipes.
+
+ EXAMPLES:
+  sysprop | grep java
+  sysprop | grep java -n
+  sysenv | grep -v JAVA
+  sysenv | grep -e "(?i)(JAVA|sun)" -m 3  -C 2
+  sysenv | grep JAVA -A2 -B3
+  thread | grep -m 10 -e  "TIMED_WAITING|WAITING"
+
+ WIKI:
+   https://alibaba.github.io/arthas/grep
+
+ OPTIONS:
+ -A, --after-context <value>                                                    Print NUM lines of trailing context)
+ -B, --before-context <value>                                                   Print NUM lines of leading context)
+ -C, --context <value>                                                          Print NUM lines of output context)
+ -h, --help                                                                     this help
+ -i, --ignore-case                                                              Perform case insensitive matching.  By default, grep is case sensitive.
+ -v, --invert-match                                                             Select non-matching lines
+ -n, --line-number                                                              Print line number with output lines
+ -m, --max-count <value>                                                        stop after NUM selected lines)
+ -e, --regex                                                                    Enable regular expression to match
+     --trim-end                                                                 Remove whitespaces at the end of the line
+ <pattern>                                                                      Pattern
+```

site/src/site/sphinx/grep.md

@@ -0,0 +1,37 @@
+Grep
+===
+
+> 类似传统的`grep`命令。
+
+
+```
+ USAGE:
+   grep [-A <value>] [-B <value>] [-C <value>] [-h] [-i] [-v] [-n] [-m <value>] [-e] [--trim-end] pattern
+
+ SUMMARY:
+   grep command for pipes.
+
+ EXAMPLES:
+  sysprop | grep java
+  sysprop | grep java -n
+  sysenv | grep -v JAVA
+  sysenv | grep -e "(?i)(JAVA|sun)" -m 3  -C 2
+  sysenv | grep JAVA -A2 -B3
+  thread | grep -m 10 -e  "TIMED_WAITING|WAITING"
+
+ WIKI:
+   https://alibaba.github.io/arthas/grep
+
+ OPTIONS:
+ -A, --after-context <value>                                                    Print NUM lines of trailing context)
+ -B, --before-context <value>                                                   Print NUM lines of leading context)
+ -C, --context <value>                                                          Print NUM lines of output context)
+ -h, --help                                                                     this help
+ -i, --ignore-case                                                              Perform case insensitive matching.  By default, grep is case sensitive.
+ -v, --invert-match                                                             Select non-matching lines
+ -n, --line-number                                                              Print line number with output lines
+ -m, --max-count <value>                                                        stop after NUM selected lines)
+ -e, --regex                                                                    Enable regular expression to match
+     --trim-end                                                                 Remove whitespaces at the end of the line
+ <pattern>                                                                      Pattern
+```