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#!/bin/bash
if [ $# -eq 0 ]; then
  echo 'Usage: del file ...'
  exit
fi
if [ $1 = '.' -o $1 = '..' ]; then
  echo "Can't delete $1"
  exit
fi
for src_file in $@; do
  dst_dir="$HOME/.trashbin"
  src_filename=$(basename $src_file)
  dst_file="$dst_dir/$src_filename"
  log_file="$dst_dir/.log"
  #¼ì²éÔ´ÎļþÊÇ·ñ´æÔÚ
  if [ ! -e $src_file ]; then
    echo "\"$src_file\" dosen't exit"
    exit
  fi
  #´´½¨Ä¿±êÎļþ¼Ð
  if [ ! -e $dst_dir ]; then
    mkdir $dst_dir
  fi
  #Ñ¡ÔñºÏÊʵÄÄ¿±êÎļþÃû
  new_file=$dst_file
  i=0
  while true; do
    if [ ! -e $new_file ]; then
      break
    fi
    new_file="$dst_file.$((++i))"
  done
  dst_file=$new_file
  #Ö´ÐÐɾ³ý²Ù×÷
  mv $src_file $dst_file
  #Êä³öÐÅÏ¢²¢Ð´ÈëÈÕÖ¾Îļþ
  echo "$src_file -> $dst_file"
  echo "[$(date +'%m-%d %H:%M')] $src_file -> $dst_file" >> $log_file
done
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out the OS
load the OS
init process starts //Ö´ÐÐetcĿ¼ÏµÄÎļþ
execute run level scripts
//·Ö²ãÆô¶¯ 6¸ö ²ã´Î
//NFS -- ±íʾ¿ÉÒÔºÍÆäËûÈËÁªÍø
execute /etc/rc.d/rc.local
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