Create a text menu create a menu layout
root@wl-ms-7673:/home/wl/Desktop/shell# cat-n test1.sh
1 #!/bin/bash
2 echo-e "\t\tmenu"
3 ECHO-E "1.\tdisplay disk Space"
4 echo-e "2.\tdisplay logged on user"
5 echo-e "3.\tdisplay memory USAG E "
6 echo-e" 0.\texit menu\n\n "
7 echo-en" \t\tenter option: "#-n indicates no print return
8 read-n1 Option #Read a character
9 echo ""
root@wl-ms-7673:/home/wl/desktop/shell#./test1.sh
Menu
1. Display disk space
2. Display logged on user
3. Display memory Usage
0. Exit menu
Enter option:1
root@wl-ms-7673:/home/wl/Desktop/shell#
Create a menu function
Just wrap the above code in a function.
add menu logic add corresponding case
root @ wl-MS-7673: / home / wl / desktop / shell # cat -n test2.sh
1 #! / Bin / bash
2 option = ""
3 create_menu () {
4 echo -e "\ t \ tMenu"
5 echo -e "1. \ tDisplay disk space"
6 echo -e "2. \ tDisplay logged on user"
7 echo -e "3. \ tDisplay memory usage"
8 echo -e "0. \ tExit menu \ n \ n"
9 echo -en "\ t \ tEnter option:"
10 read -n1 option
11 echo ""
12}
13
14 create_menu
15
16 case $ option in
17 0)
18 echo "Display disk space" ;;
19 1)
20 echo "Display logged on user" ;;
21 2)
22 echo "Display memory usage" ;;
23 3)
24 echo "Exit menu" ;;
25 *)
26 echo "error" ;;
27 esac
28
root @ wl-MS-7673: / home / wl / desktop / shell # ./test2.sh
Menu
Display disk space
2. Display logged on user
3. Display memory usage
0. Exit menu
Enter option: 3
Exit menu
root @ wl-MS-7673: / home / wl / desktop / shell # apt-get install sed
root @ wl-MS-7673: / home / wl / desktop / shell # cat test3.sh
# / bin / bash
ption = ""
create_menu () {
echo -e "\ t \ tMenu"
echo -e "1. \ tDisplay disk space"
echo -e "2. \ tDisplay logged on user"
echo -e "3. \ tDisplay memory usage"
echo -e "0. \ tExit menu \ n \ n"
echo -en "\ t \ tEnter option:"
read -n1 option
echo ""
}
create_menu
disk_space () {
df -k
}
whoseon () {
who
}
menu_usage () {
cat / proc / meminfo
}
deal_menu () {
case $ option in
1)
disk_space ;;
2)
whoseon ;;
3)
menu_usage ;;
0)
echo "Exit menu" ;;
*) #Input error, re-enter
echo -e "\ nSorry, wrong selection."
echo -en "\ n \ n \ t \ tHit any key to continue."
read -n1 option #Reread menu options
deal_menu ;;
esac
}
deal_menu
root @ wl-MS-7673: / home / wl / desktop / shell #
Run the results as shown in figure:
root@wl-ms-7673:/home/wl/desktop/shell#./test3.sh Menu 1. Display disk space 2. Display logged on user 3. Display memory Usage 0. Exit menu Enter option:
root@wl-ms-7673:/home/wl/desktop/shell#./test3.sh Menu 1. Display disk space 2. Display logged on user 3. Display memory Usage 0. Exit menu Enter option:1 File system 1k-block used available% mount point /dev/sda11 68151872 7654680 57035204 12%/ udev 2039652 4 2039648 1%/dev tmpfs 818784 908 817876 1%/run none 5120 0 5120 0%/run/lock None 2046956 264 2046692 1%/run/shm root@wl-ms-7673:/home/wl/Desktop/shell#
using the Select command
root @ wl-MS-7673: / home / wl / desktop / shell # cat -n test4.sh
1 #! / Bin / bash
2 3
4 disk_space () {
5
6 df -k
7}
8
9 whoseon () {
10
11 who
12}
13
14 menu_usage () {
15
16 cat / proc / meminfo
17}
18
19
20
21 PS3 = "Enter option:"
22 select option in "Display disk space" "Display logged on user" "Display memory usage" "Exit menu"
23 do
24 case $ option in
25 "Display disk space")
26 disk_space ;;
27 "Display logged on user")
28 whoseon ;;
29 "Display memory usage")
30 menu_usage ;;
31 "Exit menu")
32 echo "Exit menu"
33 break ;;
34 *)
35 echo -e "\ nSorry, wrong selection."
36 echo -en "\ n \ n \ t \ tHit any key to continue."
37 read -n1 option
38 deal_menu ;;
39 esac
40 done
root @ wl-MS-7673: / home / wl / desktop / shell #
The results of the run are as shown in the figure:
root @ wl-MS-7673: / home / wl / desktop / shell # ./test4.sh 1) Display disk space 3) Display memory usage 2) Display logged on user 4) Exit menu Enter option: 1 File system 1K-block Used Available Used% Mount point / dev / sda11 68151872 7654632 57035252 12% / udev 2039652 4 2039648 1% / dev tmpfs 818784 908 817876 1% / run none 5120 0 5120 0% / run / lock none 2046956 264 2046692 1% / run / shm Enter option: 2 wl pts / 0 2013-11-25 15:44 (: 0.0) wl pts / 1 2013-11-25 17:31 (: 0.0) Enter option: 3 MemTotal: 4093912 kB MemFree: 2341120 kB Buffers: 187220 kB Cached: 702080 kB SwapCached: 0 kB Active: 917904 kB Inactive: 521664 kB Active (anon): 551016 kB Inactive (anon): 2088 kB Active (file): 366888 kB Inactive (file): 519576 kB Unevictable: 16 kB Mlocked: 16 kB HighTotal: 3253080 kB HighFree: 1780332 kB LowTotal: 840832 kB LowFree: 560788 kB SwapTotal: 4165628 kB SwapFree: 4165628 kB Dirty: 92 kB Writeback: 0 kB AnonPages: 550372 kB Mapped: 218440 kB Shmem: 2840 kB Slab: 66112 kB SReclaimable: 47724 kB SUnreclaim: 18388 kB KernelStack: 3488 kB PageTables: 8988 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 6212584 kB Committed_AS: 2815796 kB VmallocTotal: 122880 kB VmallocUsed: 30336 kB VmallocChunk: 92168 kB HardwareCorrupted: 0 kB AnonHugePages: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 8184 kB DirectMap2M: 905216 kB Enter option: 4 Exit menu root @ wl-MS-7673: / home / wl / desktop / shell #
using the dialog command in a script
root @ wl-MS-7673: / home / wl / desktop / shell # cat -n test5.sh
1 #! / Bin / bash
2 temp = `mktemp -t temp.XXXXXX`
3 temp2 = `mktemp -t temp2.XXXXXX`
4 disk_space () {
5 df -k> $ temp
6 dialog --textbox $ temp 20 60
7}
8
9 whoseon () {
10 who> $ temp
11 dialog --textbox $ temp 20 50
12}
13
14 menu_usage () {
15 cat / proc / meminfo> $ temp
16 dialog --textbox $ temp 20 50
17}
18
19 dialog --menu "menu" 20 30 10 1 "Display disk space" 2 "Display logged on user" 3 "Display memory usage" 0 "Exit menu" 2> $ temp2
20 if [$? -Ne 1]
21 then
22 selection = `cat $ temp2`
23 case $ selection in
24 1)
25 disk_space ;;
26 2)
27 whoseon ;;
28 3)
29 menu_usage ;;
30 0) ;;
31 *)
32 dialog --msgbox "Sorry, invalid selection" 10 30
33 esac
34 fi
35
36 rm -f $ temp $ temp2 2> / dev / null
root @ wl-MS-7673: / home / wl / desktop / shell #
Zenity--calendar
root @ wl-MS-7673: / home / wl / desktop / shell # cat -n test6.sh
1 #! / Bin / bash
2 temp = `mktemp -t temp.XXXXXX`
3 temp2 = `mktemp -t temp2.XXXXXX`
4 disk_space () {
5 df -k> $ temp
6 zenity --text-info --title "Disk space" --filename = $ temp --width 750 --height 300
7}
8
9 whoseon () {
10 who> $ temp
11 zenity --text-info --title "Logged on user" --filename = $ temp --width 500 --height 200
12}
13
14 menu_usage () {
15 cat / proc / meminfo> $ temp
16 zenity --text-info --title "Memory usage" --filename = $ temp --width 300 --height 500
17}
18
19 zenity --list --radiolist --title "Menu" --column "Select" \
20 --column "Menu Item" FALSE "Display disk space" FALSE "Display logged on user" FALSE "Display memory usage" FALSE "Exit"> $ temp2
21 if [$? -Ne 1]
22 then
23 selection = `cat $ temp2`
24 case $ selection in
25 "Display disk space")
26 disk_space ;;
27 "Display logged on user")
28 whoseon ;;
29 "Display memory usage")
30 menu_usage ;;
31 "Exit") ;;
32 *)
33 zenity --info "Sorry. Invalid selection."
34 esac
35 fi
36
37 rm -f $ temp $ temp2 2> / dev / null
root @ wl-MS-7673: / home / wl / desktop / shell #
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
