The Shell has three kinds of if ... else statements:1.if. FI statement;2.if ... else ... fi statement;3.if. Elif ... else .... fi statement.If ... fi statementSyntax for the IF ... else statement:if [Expression] Then If Truefi Note: There must
Recently the head is a little dizzy, in JavaScript write If-else If-else code, actually to else added conditions. The code is as follows:IE9 and Chrome under the execution of this script, found not to prompt the JS error, the program's execution
The strange if-else, javascriptif-else in javascript
Recently, my head is a bit dizzy. When I write the if-else code in javascript, I actually added conditions to else. The Code is as follows:
Run this script in IE9 and chrome, and no js error is
If statement a method that makes a variable or some other type of data to make a decision. For example, you may have a
Script to check if the Boolean value is True or FALSE, or the variable contains a number or string value.
Use the IF statement
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
Learn CGI scripts (scripts)CGI meaning is Common Gateway Interface, a browser-based input, a program method that runs on a Web server. CGI scripts enable your browser to interact with the user, to find a noun in a database, to provide comments you
What is a CGI script?
How does the CGI script work?
A simple example
Can I use CGI scripts?
Does your server configuration allow CGI scripts?
Can you program it?
What programming language should you use?
Is your server
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.
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
Unlike Java, PHP and other languages, the process control of SH is not NULL, such as:
Copy Code code as follows:
if (Isset ($_get["Q"])) {
Search (q);
}
else {
Doing nothing
}
?>
You can't write this in Sh/bash,
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