링크폭파될까봐 퍼놓는다 getopt 예제 - 편집 역사

2019년 10월 4일 (금) 08:04에 Admin님의 편집

2019-10-04T08:04:26Z

2018년 3월 9일 (금) 01:47에 Admin님의 편집

2018-03-09T01:47:53Z

2018년 3월 9일 (금) 01:33에 Admin님의 편집

2018-03-09T01:33:32Z

Admin: 새 문서:

 #!/user/bin/env bash  # “a” and “arga” have optional arguments with default values. # “b” and “argb” have no arguments, acting as sort of a flag. # “c” and...

2017-10-27T07:25:34Z

새 문서: <pre> #!/user/bin/env bash # “a” and “arga” have optional arguments with default values. # “b” and “argb” have no arguments, acting as sort of a flag. # “c” and...

새 문서

<pre>
#!/user/bin/env bash

# “a” and “arga” have optional arguments with default values.
# “b” and “argb” have no arguments, acting as sort of a flag.
# “c” and “argc” have required arguments.

# set an initial value for the flag
ARG_B=0

# read the options
TEMP=`getopt -o a::bc: --long arga::,argb,argc: -n 'test.sh' -- "$@"`
eval set -- "$TEMP"

# extract options and their arguments into variables.
while true ; do
case "$1" in
-a|--arga)
case "$2" in
"") ARG_A='some default value' ; shift 2 ;;
*) ARG_A=$2 ; shift 2 ;;
esac ;;
-b|--argb) ARG_B=1 ; shift ;;
-c|--argc)
case "$2" in
"") shift 2 ;;
*) ARG_C=$2 ; shift 2 ;;
esac ;;
--) shift ; break ;;
*) echo "Internal error!" ; exit 1 ;;
esac
done

# do something with the variables -- in this case the lamest possible one :-)
echo "ARG_A = $ARG_A"
echo "ARG_B = $ARG_B"
echo "ARG_C = $ARG_C"
</pre>

← 이전 판		2019년 10월 4일 (금) 08:04 판
49번째 줄:		49번째 줄:
	* : (colon character) tells that the option has a required argument.		* : (colon character) tells that the option has a required argument.
	* :: (two consequent colon character) tells that the option has an optional argument.		* :: (two consequent colon character) tells that the option has an optional argument.
−
−	~~long option은 =뒤에 붙여써야 하고 short option은 option뒤에 공백없이 바로 써야 한다.~~

← 이전 판		2018년 3월 9일 (금) 01:47 판
49번째 줄:		49번째 줄:
	* : (colon character) tells that the option has a required argument.		* : (colon character) tells that the option has a required argument.
	* :: (two consequent colon character) tells that the option has an optional argument.		* :: (two consequent colon character) tells that the option has an optional argument.
		+
		+	long option은 =뒤에 붙여써야 하고 short option은 option뒤에 공백없이 바로 써야 한다.

← 이전 판		2018년 3월 9일 (금) 01:33 판
37번째 줄:		37번째 줄:
	echo "ARG_C = $ARG_C"		echo "ARG_C = $ARG_C"
	</pre>		</pre>
		+
		+
		+	short options
		+	* <code>-o </code>
		+	* Each single character stands for an option.
		+	* : (colon character) tells that the option has a required argument.
		+	* :: (two consequent colon character) tells that the option has an optional argument.
		+	long options
		+	* <code>--long </code>
		+	* Options are separated by , (comma character).
		+	* : (colon character) tells that the option has a required argument.
		+	* :: (two consequent colon character) tells that the option has an optional argument.