Grep

类似传统的grep命令。

  1.  USAGE:
  2.    grep [-A <value>] [-B <value>] [-C <value>] [-h] [-i] [-v] [-n] [-m <value>] [-e] [--trim-end] pattern
  4.  SUMMARY:
  5.    grep command for pipes.
  7.  EXAMPLES:
  8.   sysprop | grep java
  9.   sysprop | grep java -n
  10.   sysenv | grep -v JAVA
  11.   sysenv | grep -e "(?i)(JAVA|sun)" -m 3  -C 2
  12.   sysenv | grep JAVA -A2 -B3
  13.   thread | grep -m 10 -e  "TIMED_WAITING|WAITING"
  15.  WIKI:
  16.    https://alibaba.github.io/arthas/grep
  18.  OPTIONS:
  19.  -A, --after-context <value>                                                    Print NUM lines of trailing context)
  20.  -B, --before-context <value>                                                   Print NUM lines of leading context)
  21.  -C, --context <value>                                                          Print NUM lines of output context)
  22.  -h, --help                                                                     this help
  23.  -i, --ignore-case                                                              Perform case insensitive matching.  By default, grep is case sensitive.
  24.  -v, --invert-match                                                             Select non-matching lines
  25.  -n, --line-number                                                              Print line number with output lines
  26.  -m, --max-count <value>                                                        stop after NUM selected lines)
  27.  -e, --regex                                                                    Enable regular expression to match
  28.      --trim-end                                                                 Remove whitespaces at the end of the line
  29.  <pattern>                                                                      Pattern