bash 将第二个参数从 shell 脚本传递给 Java
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Passing second argument onwards from a shell script to Java
提问by cm_c
If I pass any number of arguments to a shell script that invokes a Java program internally, how can I pass second argument onwards to the Java program except the first?
如果我将任意数量的参数传递给在内部调用 Java 程序的 shell 脚本,如何将第二个参数继续传递给 Java 程序,但第一个参数除外?
./my_script.sh a b c d ....
./my_script.sh abcd ....
#my_script.sh
...
java MyApp b c d ...
回答by Bolo
First use shift
to "consume" the first argument, then pass "$@"
, i.e., the list of remaining arguments:
首先使用shift
“消耗”第一个参数,然后传递"$@"
,即剩余参数的列表:
#my_script.sh
...
shift
java MyApp "$@"
回答by bashfu
You can pass second argument onwards without using "shift" as well.
您也可以在不使用“shift”的情况下继续传递第二个参数。
set -- 1 2 3 4 5
echo "${@:0}"
echo "${@:1}"
echo "${@:2}" # here