# syntax.sh# Declaring functions using the reserved word function# Multilinefunctionf1 {echoHello I\'m function 1 echo Bye! } # One line function f2 { echo Hello I\'mfunction2;echoBye!; }# Declaring functions without the function reserved word# Multilinef3() {echoHello I\'m function 3...
/* Delete the character under the cursor. Given a numeric argument, kill that many characters instead. */intrl_delete(count, key)intcount, key; {intxpoint;if(count <0)return(_rl_rubout_char (-count, key));if(rl_point == rl_end) { rl_ding ();return-1; }if(count >1|| rl_ex...
The first argument to your script is stored in$1, the second argument is stored in$2, etc, etc. An array of all of the arguments passed to your script is stored in$@, and we’ll discuss how to handle arrays later on in this chapter. The total number of arguments passed to your s...
2, 3)# Comma separated arraysarray=( [index] = value )# Incorrect index initializationecho$var[14]# Missing {} in array referencesecho"Argument 10 is$10"# Positional parameter
bind [-m keymap] keyseq:function-name bind readline-command 显示当前行编辑功能的按键绑定和函数绑定结果,将一个按键序列和一个行编辑功能的函数或宏进行绑定,或者设置一个行编辑功能的变量。每一个在非选项的参数都是一个命令,因为它会在.inputrc文件中出现,但是每个绑定结果或者命令必须作为单独的参数传递;例如...
function game() { local count=0 local T="T->" echo -e "NOW, ATTACK! $T" while read -s -n 1 char; do case $char in "h") ((--count)) ;; "l") ((++count)) ;; "q") break ;; esac for ((i = 0; i < count; ++i)); do ...
# stdin replaced with a file supplied as a first argument exec < $1 let count=0 while read LINE; do ARRAY[$count]=$LINE ((count++)) done echo Number of elements: ${#ARRAY[@]} # echo array's content echo ${ARRAY[@]} # restore stdin from filedescriptor 10 ...
从这个 Bash 基础训练课程,我们将学习 Bash 的基础知识,并能开始些我们自己的 Bash 脚本和自动化日常任务。 Bash 是一种Unixshell和命令语言。它可以在各种操作系统上广泛使用,而且它也是大多数Linux系统上的默认命令解释器。 Bash 是 Bourne-Again SHell 的简称。
目录 一丶 PowerShell简介 二丶PowerShell简单命令学习 1.PowerShell简单命令 2.powershell使用标准参数 ...
Write a Bash script that searches for a specific string (provided as an argument) in a text file named "document.txt". Code: #!/bin/bash # Check if the number of arguments is less than 1 if [ $# -lt 1 ]; then echo "Usage: $0 <search_string>" ...