Shell Script编程——USB挂载/复制文件/查找文件/压缩文件

PS：$引用变量的时候不要加空格。用了case，while的结构。

main文件

#!/bin/bash
chmod a+x changedate
chmod a+x changemod
chmod a+x usb
chmod a+x findfile
chmod a+x compression

clear
while true
do
  echo "welcome to my program"
  echo "wish you have a good day"
  echo ""
  echo "========================================================"
  echo "**              ALL       FUNCTION                    **"
  echo "                1-Usb function                          "
  echo "                2-Compression functions                 "
  echo "                3-Edit files'properties                 "
  echo "                4-Time                                  "
  echo "                5-Search                                "
  echo "                0-Exit                                  "
  echo "========================================================"
  echo "please input the number to choose the function:         "
read num
  case $num in
    )./usb;;
    )./compression;;
    )./changemod;;
    )./changedate;;
    )./findfile;;
    )clear
    echo "      Thank you for using my program                  "
    echo "      Bye Bye                                         "
    sleep
    while true
    do
      exit
    done;;
    *)echo "    please input the right number                   "
    sleep
    clear;;
  esac
done

usb程序

 #! /bin/sh
 mntusb(){
   clear
   /sbin/fdisk -l|grep dev/sd
   echo "please input the device name(like sdb1 or else)which is shown above"
   read r
   mount dev/$r/mnt
   echo "if no error warn then"
   echo "successfully! The USB has been mounted in /mnt document"
   sleep
 }
 umntusb(){
   clear
   umount /mnt
   echo "if no error warn then umount successfully!"
   sleep
 }
 listusb(){
   clear
   ls -la/mnt
 }
 cpdisktousb(){
   clear
   echo "please input the filename to be copied in current directory"
   read FILE1
   cp $FILE1 /mnt
   echo "if no error warn the copy successfully!"
   sleep
 }
 cpusbtodisk(){
   clear
   echo "please input the filename to be copied in usb"
   echo "PS:the file will be copied in the current directory"
   read FILE2
   cp /mnt/ $FILE2
   echo "if no error warn then copy successfully"
   sleep
 }
 rmusb(){
  clear
  echo "input the file you want remove in the diretory"
  read FILE3
  rm -v /mnt/$FILE3
  echo "if no error warn then remove successfully!"
  sleep
 }
 back(){
  clear
  exit
 }
 while true
  do
   clear
   echo "================================================================"
   echo "***        USB FUNCTIONS                ********"
   echo "        -------------                    "
   echo "        1-mount USB                    "
   echo "        2-umount USB                    "
   echo "        3-list USB's files' information            "
   echo "        4-copy current directory's file in disk to USB    "
   echo "        5-copy USB's file to current diretory in disk    "
   echo "        6-remove the file in USB            "
   echo "         0-back                        "
   echo "================================================================"
   echo "input the number to choose the function                "
   echo "PS: If you want to do something to USB,please mount first    "
   read choice
   case $choice
     )mntusb;;
     )umntusb;;
     )listusb;;
     )cpdisktousb;;
     )cpusbtodisk;;
     )rmusb;;
     )back;;
     *)echo "please input the right number!(press any key to continue)"
     read c;
         clear;;
   esac
 done

compression程序

 #! /bin/bash
 replace(){
  echo "please input the file's absolute way including the file's name"
  read way1
  gzip $ way1
  echo "if no error warn then compress successfully!"
  sleep
 }
 pack(){
  echo "please input the directory's absolute way!"
  read way2
  way8=$way2.tar.gz
  tar -zcvf $way8 $way2
  echo "ignore the warn"
  echo "if no error warn then operate successfully!"
  sleep
 }
 back2(){
  clear
  ./compression
 }
 filegzip(){
 while true
 clear
 do
  echo "============================================================"
  echo "        1-Replace the original file with compressed file   "
  echo "        2-packing and compress directory           "
  echo "        0-back                           "
  echo "============================================================"
  echo "input the right number to choose the function           "
  read num1
  case $num1 in
  )replace;;
  )pack;;
  )back2;;
  *)echo "please input the right order!"
    sleep
    clear;;
  esac
 done
 }
 fileunzip(){
  echo "please input the file's absolute way including the file's name"
  read way3
  gzip-d $way3
  echo "if no error warn then decompress successfully!             "
  sleep
 }
 back(){
  clear
  exit
 }
 while true
 clear
 do
   echo "============================================================="
   echo "        COMPRESS FUNCTION                 "
   echo "        1-Compress file                     "
   echo "        2-Decompress file                 "
   echo "        0-back                         "
   echo "============================================================="
   echo "please input the number to choose the function                 "
   read choice2
   case $choice2 in
     )filegzip;;
     )fileunzip;;
     )back;;
     *)echo "please input the right number!"
        sleep
        clear;;
   esac
 done

changemod程序——改变文件的读写执行权限

 #! /bin/bash
 show(){
  echo "input the file's absolute way including the file's name"
  read way4
  echo "the information of the file is list following          "
  ls -l $way4
  sleep
 }
 change(){
  echo "input the file's absolute way including the file's name"
  echo "and input the file's properities you want change to,input like 700"
  read way5 pro
  echo "the formal properities of the file is like following"
  ls -l $way5
  chmod $pro $way5
  echo "change successfully!"
  echo "the changed file's properities is like following   "
  ls -l $way5
 }
 clear
 while true
 do
  echo "========================================================="
  echo "        EDIT FUNCTION                    "
  echo "        1-Show the properities of the file        "
  echo "        2-Change the properities of the file           "
  echo "        0-back                        "
  echo "input the right number to choose function         "
  read num3
  case $num3 in
    )show;;
    )change;;
    )clear
      exit;;
    *)echo "please input the right number!"
      sleep
      clear;;
  esac
 done 

changedate程序——显示时间、修改系统时间

 #! /bin/bash
 show(){
  echo "Now the date is: "
  date
  echo "Have a nice day!"
  sleep
 }
 edit(){
  echo "input the time you want to change to"
  echo "Ex: 0312043307 represent for 2007-03-12-04:33"
  read time2
  date $ time2
  echo "if no error warn then change date successfully"
  sleep
 }
 while true
 do
  echo "======================================================"
  echo "        CHANGEDATE FUNCTION                 "
  echo "        1-Show the time                     "
  echo "        2-Edit the system time                 "
  echo "        0-back                              "
  echo "input the number to choose function             "
  read num3
  case $num3 in
    )show;;
    )edit;;
    )clear
      exit;;
    *)echo "please input the right number!"
      sleep
      clear;;
   esac
 done

findfile程序——查找文件（给出完整名称，部分名称，但是要给出绝对路径）

 #! /bin/bash
 schcom(){
  clear
  echo "input the complele file's name you want to search"
  read file9
  echo "input the way you want to search in(like /root)"
  read dir9
  find $dir9 -name "$ file9" -print
  echo "press Enter to continue"
  read c
 }
 schpar(){
  echo "input the part file's name you remember"
  read file7
  file6=*$file7*
  echo "input the way which you want to search in:(like /root)"
  read dir7
  find $dir7 -name "$ file6" -print
  echo "the above way is the file's way you want to search!"
  echo "please Enter to continue"
  read c
 }
 while true
 do
  clear
  echo "================================================================"
  echo "            SEARCH    FUNCTION                   "
  echo "        1-Search file if you remember the complete file's name "
  echo "        2-Search file if you remember the part of file's name  "
  echo "        0-back                               "
  echo "================================================================"
  echo "please input the number to choose function               "
  read num5
  case $num5 in
   )schcom;;
   )schpar;;
   )clear
     exit;;
   *)echo "please input the right number"
     sleep
     clear;;
  esac
 done