script if statement

Upper: Process oriented:Sequential executionSelect execution: If, caseLoop execution: For, while, until One, for statement Format:for variable in list;Statement 1;Statement 2;...DoneExample 1, write a script, add 10 users, and let each user's

Single-branch if statement: If condition test actionThenCommand SequenceFi Example: Determine if the mount point directory exists, or create a new directory if it does not exist. [email protected] script]# cat chkmountdir.sh#!

PL/SQL script language value assignment statement syntax table and record comply with the type usage, select the statement if else usage anonymous block (1), assign value statement syntax PL/SQL values use: = "=" some rules need to be observed in

Outline: 1. Logical Judgment 2. If flow control statement 3. For loop control statement ---------------------------------------------- Before you begin, let's look at the logical judgment symbol: && and,| | Or,! Non - A && B must be set up at the

One way to "make something happen" is to evaluate an expression with a side effect. Injected assignments and function calls these expressions with side-effects can be used as separate statements, and this expression is also called an expression

For more information about the list of all "script stories" columns, click here. From: http://www.microsoft.com/china/technet/community/columns/scripts/sg0904.mspxContent on this page The worm crawls in, but does not leave.

1, test: the detection of the expression is established, the return value is 0, otherwise, not 0Method:1) test expression2) "Expression"2. File test:-D: Whether it is a directory-F: Whether it is a file-E: whether there is-r: Whether Read permission

In the previous two articles, we learned the variables, functions, procedures, and condition statements of the script language VBScript. This article will continue to introduce the circular statements of vbscipt, summarize the application of

I am not studying things under Linux, so here is only a description of the use of shell script, I am in the process of using the problem recorded, but also write down some of the rules of the shell script syntax, easy to view later. Let's take a

Scripts | loops | statements If someone tells you that learning an ASP does not require any programming knowledge, then he is wrong; If I told you that learning an ASP must master a programming language, then I was wrong. ASP Dynamic Server page