Please enter your name: wang Hello wang, welcome to my script 5、read命令对于输入字符的判断 []有比较的判断的功能 -o代表or &&在shell中的用法是如果&&左边的命令执行成功(即$?=0)时才能执行&&右边的命令 1 2 3 4 5 6 7 #!/bin/bash read -p"Please input(Y/N):"yn ["$yn"=="Y"-o"$...
Shell中内置read命令,功能是读取从键盘输入的数据。 read命令用法 1 read [-options] [variables] options表示选项,如下表所示;variables表示用来存储数据的变量,可以有一个,也可以有多个。 Shell read 命令支持的选项 问题解决 我是在windows系统上,运行.sh脚本遇到这个问题,这里应该是read在获取用户输入的时候,第一...
then echo "hello $name, welcome to my script" else echo "sorry,too slow" fi exit 0 3.设置计数输入的字符 当输入的字符数目达到预定数目时,自动退出,并将输入的数据赋值给变量。 #!/bin/bash read -n1 -p "Do you want to continue [Y/N]? " answer case $answer in Y|y) echo "fine ,co...
标记shell变量或函数为只读 语法 readonly [-aAf] [name[=value] ...]readonly -p 主要用途 定义一到多个变量并设置只读属性。 为已定义的一到多个变量设置只读属性。 显示全部包含只读属性的变量。 为已定义的一到多个函数设置只读属性。 显示全部包含只读属性的函数。 选项 -a:指向数组。-A:指向关联数组。-...
PowerShell 复制 Read-SqlViewData [-TopN <Int64>] [-ColumnName <String[]>] [-ColumnOrder <String[]>] [-ColumnOrderType <OrderType[]>] [-OutputAs <OutputTypeSingleTable>] [-InputObject] <ScriptSchemaObjectBase[]> [-AccessToken <PSObject>] [-TrustServerCertificate] [-HostNameInCertificate...
This is an overview of the cluster in MySQL Shell: Copy code snippet Copied to Clipboard Error: Could not Copy Copied to Clipboard Error: Could not Copy JS>cluster.status(){"clusterName":"fred","defaultReplicaSet":{"name":"default","primary":"127.0.0.1:3310","ssl":"REQUIRED","status...
Script Center Beginner Sesame Script Class is in Session Files and Folders, Part 1 Files and Folders, Part 2 Files and Folders, Part 3: Windows PowerShell Functions, Subroutines, and How to Call Them From Other Scripts Getting - or Creating - an Object How to Read an SDK Hunting for Obje...
Windows PowerShell Index -contains operator vs .contains() method -ea operator -ErrorAction:SilentlyContinue parameter is not being respected & $error variable not updated -ExpandProperty & Export CSV !!! powershell script to add a word in the beginning of the text file - URGENT !!! 'A pos...
When you're not inside a Vim session but in the shell prompt you can invoke Vinfo as a command by using the following shell script: #! /bin/sh vim -c "Vinfo $1" -c 'silent only' Save it in/usr/bin/as a file namedvinfo, give it execution permission with: ...
If you want to test yourself, usetest.shscript. Root privilege is required for edge case test around the root directory. Therefore using Docker by default for safely create files on the root directory. ./test.sh [SHELL (default:sh)] [Dockerfile] [DOCKER-TAG (default: latest)] ...