檢查RPM包是否已經安裝

檢查RPM包是否已經安裝:

1. ###################RPM_CHECK1################# -->僅僅是檢查單個rpm包是否安裝，未安裝的不能自動安裝
2. #!/bin/bash
3. # check rpm is installed or not
4. uname -r
5. rpm --version
7. echo
8. P=${1?" must specify package name."}
10. rpm -qa "$P" > t1
11. my_size=$( wc -l < t1 )
12. echo " Size of report file is $my_size lines"
14. if [[ $( rpm -qa $P ) =~ ${P} ]]
15. # if [[ $( rpm -qa $P ) == *${P}* ]]
16. then
17. echo " Package $P is installed."
18. else
19. echo " Package $P not found."
20. fi
22. exit 0
23. ###################RPM_CHECK1#################

1. ###################RPM_CHECK2################# -->可以實現多種rpm包的檢查，未安裝的自動安裝
2. #!/bin/bash
3. #filename: check_rpm
4. uname -r
5. rpm --version
7. check_rpm()
8. {
9. while (( $# > 0 ))
10. do
11. if ! rpm -q $1 &> /dev/null;then
12. yum install $1 -y &>/dev/null
13. if [ $? == 0 ];then
14. echo "$1 install is success!"
15. else
16. echo "$1 is not in the systerm Packages!"
17. fi
18. fi
19. shift #執行一次shift則去掉第一個參數，始終只需判斷$1即可
20. done
21. exit 0
22. }
24. check_rpm $@
25. ###################RPM_CHECK2#################

1. ###################RPM_CHECK3################# -->結合以上兩個腳本
4. #!/bin/bash
5. #filename: check_rpm
6. uname -r
7. rpm --version
9. P=${1?" must specify package name."} #加入這一行表示必須需要輸入一個有效的軟件包名
11. check_rpm()
12. {
13. while (( $# > 0 ))
14. do
15. if ! rpm -q $1 &> /dev/null;then
16. yum install $1 -y &>/dev/null
17. if [ $? == 0 ];then
18. echo "$1 install is success!"
19. else
20. echo "$1 is not in the systerm Packages!"
21. fi
22. else
23. echo "$1 is installed"
24. fi
25. shift #執行一次shift則去掉第一個參數，始終只需判斷$1即可
26. done
27. exit 0
28. }
29. ###################RPM_CHECK3#################