shell脚本批量添加用户的脚本

在 上张贴 由 脑袋发表回复

好不容易放假了，重新写个批量添加用户的脚本。
思路有些混沌了，还望大家多多指教。

这个脚本还有很多地方需要改进，比如算法，比如数据的处理。
希望大家不吝提出修改意见。

  1. #!/bin/sh
  2. # Name: useraddmuti
  3. # Descripton: To add users to your system. Users can be list in a file.
  4. #             To exec this command your ID must be 0.
  5. # Author: PopZslam@Linux.net
  6. #———————————–
  7. chkUID(){
  8. getUID(){
  9. id|sed -e ‘s/(.*$//’ -e ‘s/^uid=//’
  10. }
  11. if [ “`getUID`” -ne 0 ]
  12. then
  13. echo -e ” You are not root!”
  14. exit 0
  15. fi
  16. }
  17. chkUID
  19. usagePRT(){
  20. echo ${USAGE:=’USAGE:’ `basename $0` ‘-f namelistfile’}
  21. }
  22. chkFILE(){
  23. if [ ! -z “`awk ‘NF!=2{print NF;exit;}’ $1`” ] && [ “`awk ‘NF!=2{print NF;exit;}’ $1`” -ne 2 ] ; then
  24. echo -e “The file’s format is not right!”
  25. exit 0
  26. fi
  27. }
  28. userCHK(){
  29. for USER in `awk ‘{print $1;}’ $1`
  30. do
  31. if grep -wq $USER /etc/passwd ; then
  32. echo -e “The user($USER) has been added!”
  33. exit 1
  34. fi
  35. if echo $USER|grep -wq “^[0-9].*” ; then
  36. echo -e “The user($USER)’s name is wrong format!”
  37. exit 1
  38. fi
  39. done
  40. }
  41. setOPT(){
  42. echo -e “Now Let’s set some options or you can use default settings.”
  43. setGRPNAME(){
  44. while :
  45. do
  46. echo -e “Would you like to add a new group to add these users to it?”
  47. echo -e “Enter YES to create a new group otherwise you must verify the group.”
  48. printf “Your Answer: “
  49. read grpopt
  50. case $grpopt in
  51. yes)
  52. printf “Please enter the group’s name: “
  53. read grpoptnew
  54. if cat /etc/group|sed ‘s/:.*//’|grep -wq $grpoptnew ; then
  55. echo “The group’s name($grpoptnew) exist.”
  56. exit
  57. else
  58. grpname=$grpoptnew
  59. echo -e “All these users will be added to group($grpname)…”
  60. echo -e “Adding group …”
  61. if cp /etc/group /etc/group.$$ >; /dev/null 2>;&1 ; then
  62. if groupadd $grpname ; then
  63. echo -e “The group($grpname) is added!”
  64. rm -f /etc/group.$$
  65. break 1
  66. else
  67. echo -e “There’s something wrong when adding the group($grpname).”
  68. echo -e ” *** Please recovered the group file. *** “
  69. echo -e “You can cp /etc/group.$$ to /etc/group to recover.”
  70. fi
  71. else
  72. echo “Error! Please check the program or your disk space.”
  73. exit 0
  74. fi
  75. fi
  76. ;;
  77. *) : ;;
  78. esac
  79. done
  80. }
  81. setGRPNAME
  82. }
  83. addUSER(){
  84. if cp /etc/passwd /etc/passwd.$$ && cp /etc/shadow /etc/shadow.$$ ; then
  85. for user in `sed ‘s/ .*//’ $1`
  86. do
  87. pass=`awk ‘{
  88. $1~/$name/
  89. {print $2;exit}
  90. } name=$user’ $1`
  91. if [ -z “$pass” ] ; then
  92. echo -e “The passwd is used by default sun123.”
  93. pass=sun123
  94. fi
  95. if [ ${#pass} -lt 6 ] ; then
  96. echo -e “The user($user)’s password is too short!”
  97. echo -e “Use default password: sun123.”
  98. pass=sun123
  99. fi
  100. if useradd $user ; then
  101. echo -e “The user($user) is added.”
  102. if echo $pass|passwd $user –stdin >; /dev/null 2>;&1 ; then
  103. echo -e “The user($user)’s password is setted!”
  104. else
  105. echo -e “The user($user)’s password is NOT set!”
  106. fi
  107. else
  108. echo -e “The user($user) is NOT add.”
  109. fi
  110. done
  111. rm -f /etc/passwd.$$ /etc/shadow.$$
  112. else
  113. echo -e “There something wrong when backup the passwd and shadow file.”
  114. fi
  115. }
  116. if [ $# -ne 2 ] ;  then
  117. usagePRT
  118. exit 0
  119. fi
  120. case “$1” in
  121. -f)
  122. if [ -f “$2” ] ; then
  123. echo -e “Reading usernamelist file””(“$2″)” “…”
  124. chkFILE $2
  125. userCHK $2
  126. setOPT
  127. addUSER $2
  128. else
  129. echo -e “There’s no usernamelist file!”
  130. fi
  131. ;;
  132. *) usagePRT
  133. exit 0
  134. ;;
  135. esac

转自: http://bbs.chinaunix.net/viewthread.php?tid=490674&highlight=%C5%FA%C1%BF%CC%ED%BC%D3%D3%C3%BB%A7

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