echo "All the command-line parameters are: "$*"" if [ $# -lt "$MINPARAMS" ] then echo echo "This script needs at least $MINPARAMS command-line arguments!" fi echo exit 0 运行代码: bash test30.sh 1 2 10 The name of this script is "test.sh". The name of this script is "t...
The set command enables us to change command-line arguments in a flexible way. By using — with set, we can assign a new value for each argument. When performing this task, we have a couple of options: explicitly specify the set of arguments combine existing arguments with new ones Let’...
# Option b, argument ` very long ' # Remaining arguments: # --> `par1' # --> `another arg' # --> `wow!*\?' # Note that we use `"$@"' to let each command-line parameter expand to a # separate word. The quotes around `$@' are essential! # We need TEMP as the `eval...
Paramters are referred by$1, $2... For example: echo "Hello $1" 1. Run: ./script.sh Wan 1. It printHello Wan. Example Create a empty project init-js.sh echo "Initializing JS project at $(pwd)" git init npm init -y # create package.json with all the defaults mkdir src touch...
# Remaining arguments: # --> `par1' # --> `another arg' # --> `wow!*\?' # Note that we use `"$@"' to let each command-line parameter expand to a # separate word. The quotes around `$@' are essential! # We need TEMP as the `eval set --' would nuke the return value...
2.1. Basic Command-Line Argument Handling When running a Bash script, the input arguments are stored inspecial variables: $@: this contains all the input arguments $#: the number of arguments passed to the script $0: the name of the script itself ...
# Remaining arguments:#-->`par1' # -->`another arg' #-->`wow!*\?' # Note that we use`"$@"' toleteach command-line parameter expand to a # separate word.The quotes around`$@' are essential! # We need TEMP as the`eval set--' would nuke thereturnvalueofgetopt.#-o表示短选项...
3. The "all the arguments" one: !:1-$ 想象一下,我运行如下命令: 这些参数是正确的。 但是,我想在文件中匹配ping或pong,但是我使用了grep而不是egrep。 我开始输入egrep,但是我不想重新输入其他参数。 因此,我可以使用“!:1 $”快捷方式询问上一个命令的所有参数,从第二个(记住它们为zero-indexed)到最...
echo "All the command-lineparametersare: "$*"" if [ $# -lt "$MINPARAMS" ] then echo echo "This script needs at least $MINPARAMS command-line arguments!" fi echo exit 0 算数运算符 $vim test.sh #!/bin/bash a=10 b=20 val=`expr $a + $b` ...
Command Line Arguments The execution alias now supports command line argu... Windows Subsystem for Linux (WSL)Command-LineWindows Console Posts pagination Load more posts Popular topics Windows Subsystem for Linux (WSL)Command-LineWindows ConsoleCommand LineWindows 10Windows TerminalCmdLinux tools...