我想在bash中使用getopts。用户应该选择自己的选项。
大多数选项都需要参数,但有两个选项不需要参数。当没有参数的选项在命令的中间时,它能正常工作,但是当它在最后时就不能正常工作。
注意-前两个参数(服务器和密码)是强制性的,并不是getopts的一部分。
注意-前两个参数(服务器和密码)是强制性的,并不是getopts的一部分。
#!/bin/bash
SERVER=${1}
PASSWORD=${2}
VERSION=v0
ASKED_REVISION=0
DB=schema_1
PROPERTIES=1
FULL=0
USER=
# Usage info
show_help()
{
echo "
Usage: Environment DBPassword [-V Version] [-R Revision] [-S Schema] [-P] [-F] [-U Username]
-V Version Version to deploy.
-R Revision Revision number (0 means the latest revision).
-S Schema Schema in the DB to deploy.
-P No(!) External Properties. If this flag is marked the deploy will not copy the external properties
-F Full deploy
-U Username. This User who run the deploy.
For Example: ./deploy server1 123456 -V v1.0 -R 12345 -S schema1 -P -F -U User1
-H Help
"
}
OPTIND=3
while getopts ":V:R:S:P:F:U:H:" FLAG; do
case "$FLAG" in
V) # Set option "V" [Version]
VERSION=$OPTARG
;;
R) # Set option "R" [Revision]
ASKED_REVISION=$OPTARG
;;
S) # Set option "S" [Schema]
DB=$OPTARG
;;
P) # Set option "P" [No External Properties]
PROPERTIES=0
OPTIND=$OPTIND-1
;;
F) # Set option "F" [FULL]
FULL=1
OPTIND=$OPTIND-1
;;
U) # Set option "U" [User]
USER=$OPTARG
;;
H) # help
show_help
;;
\?)
echo "Invalid option: -$OPTARG. Use -H flag for help."
exit
;;
esac
done
shift $((OPTIND-1)) #This tells getopts to move on to the next argument.
echo "Env=$SERVER"
echo "Pass=$PASSWORD"
echo "Version=$VERSION"
echo "Revision=$ASKED_REVISION"
echo "Schema=$DB"
echo "External Properties=$PROPERTIES"
echo "FULL=$FULL"
echo "USER=$USER"
-F和-P不应该带参数。当我运行这个命令时,它可以正确运行(-F在中间):
-F和-P不需要附加参数。当我执行此命令时,它会正常工作(-F在中间):
./deploy_test.sh server1 pass1234 -U 555 -R 55555 -F -V v1.0
当命令以-F或-P结尾时,
这行代码无法正确运行(一切都好,但是-F有问题):./deploy_test.sh server1 pass1234 -U 555 -R 55555 -V v1.0 -F