Linux 监控一个目录的变更

文件监控工具 inotify-tools

[code]sudo apt-get install inotify-tools

例子

mvn package

[code]#!/bin/bash
cd `dirname $0`

rebuild() {
  local build_lock="build.lock"
  local pending_lock="pending.lock"

  test -f $build_lock && {
    echo "building is in process and waiting.." >&2
    touch $pending_lock
    exit 1
  }

  touch $build_lock
  echo -------------------- rebuild
  mvn package
  echo -------------------- rebuild complete
  rm $build_lock

  test -f $pending_lock && {
    rm $pending_lock
    rebuild &
  }
}

main() {
  local folder="src/"
  local file_4_changes="/tmp/watch"
  while inotifywait -e create,modify,delete -r $folder -o $file_4_changes; do
    rebuild &
  done
}; main "$@"