自动备份脚本 Linux shell 第二版


脚本比上一版新增了（），记录时间戳功能。可以将你实时修改的文件进行备份。适合一些个人照片，文档，代码的备份；

./backup_file  目录下 应该有一个 list_file 目录用来存储文件列表和文件时间戳。

$1 为你需要备份的目录  。    $2  为备份到的目录

$1 不能为空， 后续会继续修改一些bug， 并进一步完善脚本，

若你发现那一段代码存在bug ，可以告知博主。或者你有更好的实现方法，也可以一起探讨。

还有现在这个脚本，目前还不能备份子目录，只能备份文件。 以后发布将会加上这个对子目录备份的功能。

  1. #!/bin/sh
  3. # name backup file
  4. # author acanoe
  5. # timedate 2012_11_9 13:50
  6. # versions 0.1
  7. judge_your_input()
  8. {
  9. if [ -z $1 ] ; then
  10. echo "please input your updatedir!"
  11. echo ""
  12. echo "example:"
  13. echo "./back_file /backdir /updatedir"
  14. echo "like this example"
  15. echo ""
  16. exit
  17. fi
  20. if [ -z $2 ] ; then
  21. echo "please input your backdir!"
  22. echo ""
  23. echo "example:"
  24. echo "./back_file /backdir /updatedir"
  25. echo "like this example"
  26. echo ""
  27. exit
  28. fi
  29. }
  32. clear_record()
  33. {
  34. if [ -e ./list_file/old_time_ioc ] ; then
  35. rm ./list_file/old_time_ioc
  36. fi
  38. if [ ! -e ./list_file/new_time_ioc ] ; then
  39. echo "create a new_time_ioc"
  40. touch ./list_file/new_time_ioc
  41. fi
  44. if [ -e ./list_file/new_time_ioc ] ; then
  45. mv ./list_file/new_time_ioc ./list_file/old_time_ioc
  46. else
  47. touch ./list_file/old_time_ioc
  48. fi
  51. }
  56. find_change_file()
  57. {
  58. ls $1 > ./list_file/update_file_list
  59. ls $2 > ./list_file/back_file_list
  62. while read line
  63. do
  64. R=$(echo $line)
  65. echo "$R `stat $1/$R | sed -n '7p'`" >> ./list_file/new_time_ioc
  69. if [ ! -e ./list_file/new_time_ioc ] ; then
  70. echo "create a new_time_ioc"
  71. touch ./list_file/new_time_ioc
  72. fi
  73. done < ./list_file/update_file_list
  76. # while read line
  77. # do
  78. # R=$(echo $line)
  79. # echo "$R `stat $2/$R | sed -n '7p'`" >> ./list_file/old_time_ioc
  80. # echo "$R"
  81. # done < ./list_file/back_file_list
  84. diff ./list_file/new_time_ioc ./list_file/old_time_ioc > ./list_file/diff_file
  85. sed -n '/</p' ./list_file/diff_file > ./list_file/file
  86. sed -e 's/< //g' ./list_file/file > ./list_file/the_file
  87. sed -e 's/< //g' ./list_file/file > ./list_file/the_file
  88. }
  91. back_back_file()
  92. {
  93. while read line
  94. do
  95. R=$(echo $line | sed -e 's/ .*//g')
  96. echo $R
  97. cp $1/$R $2
  98. done < ./list_file/the_file
  99. }
  102. find_not_exist()
  103. {
  104. ls $1 > ./list_file/file_list
  105. ls $2 > ./list_file/back_list
  106. diff ./list_file/file_list ./list_file/back_list > ./list_file/diff_file
  107. sed -n '/</p' ./list_file/diff_file > ./list_file/file
  108. sed -e 's/< //g' ./list_file/file > ./list_file/the_file
  109. while read line
  110. do
  111. R=$(echo $line)
  112. echo $R
  113. cp -rf $1/$R $2
  114. done < ./list_file/the_file
  115. }
  118. judge_your_input $1 $2
  119. clear_record
  120. find_change_file $1 $2
  121. back_back_file $1 $2
  122. find_not_exist $1 $2

相关内容