how to if statement

In determining the size of a value in addition to (()) can be used in the form of [] but can not use;, If statementif Judgment statement; ThenCommandFiIf,else statementsif Judgment statement; ThenCommandElseCommandFiIf Elif statementIf Judgment

Integer comparison-eq: Equals-NQ: Unequal-GT: Greater Than-LT: Less than-ge: greater than or equal to-le: Less than or equal toUsage:A=3B=4[$A-eq $B]echo $?Logic and:&&Logical OR: | |Variable name:1. Can only contain letters, numbers, underscores,

Single-branch If condition statementIf [conditional judgment]; ThenProgramFiExample: Judging partition usage#!/bin/bash# Author:huangrui (email:[email protected]) rate=$(DF-H |grep "sda1"|awk '{print $}'|Cut-F1-D"%") if[$rate-GT the]; Then Echo

iOS training------My C language notes, look forward to communicating with you! /*the 1th structure of the 1.if if (condition) {statement 1; Statement 2; ...... } The 2nd structure of the 2.if if (condition 1) {statement 1; Statement 2; ..

General 01:#include int main (void) { int i; scanf ("%d",&i); if (i%20) { printf ("%d is even \ n", i) ; } GetChar (); return 0 ;}General 02:#include intMainvoid){ inti; scanf ("%d",&i);

Click I changed the style here Use JavaScript to selectively change the style of elements in the HTML DOM, using the IF statement.

First, prefaceIn structured programming, there are three main structures: sequential, branching, and cyclic. This shows the importance of branch judgment.And in shell programming often encountered in the case of judgment, such as: Determine whether

1. If statement The code is as follows Copy Code i = 10n = Int (raw_input ("Enter a number:")If n = i:Print "Equal" ElIf n Print "Lower"ElsePrint "Higher" 2. While statement The code is as follows

Today, to use the shell to do some auxiliary work, long time not to use, a little forgotten ...Here's a summary of today:1. If the brackets of the If judgment to leave enough spacesuch as if space [space content space];then........Fi2. The condition

The syntax of the if statement code is very simple, is an if judgment statement to determine the type and version of the browser, using similar and syntax structure is included to indicate if the browser is IE and the version number is less than

Programming inline If-else Statements in Lua means that you can use an if or else if in another statement if or else if statement.Grammar The nested syntax for the IF statement is as follows: Copy Code code as follows: if

One, if statementIn PL/SQL, keywords such as if, then, else, elsif, endif are used to perform conditional logicSyntax format:if conditions 1 Then Statement 1elsif conditions 2 Then Statement 2Else Statement 3End If; Example 1: Practice If

2.3If substitutionThe IF statement is executed at compile time and can be implemented in a template-specific way. Here is the calling code:Test ifcout ::run ();The output is:Test Ifit ' s falseThe implementation of the template class is as

iOS training------My C language notes, look forward to communicating with you! #include intMain () {/*if (0)//0: false; 1: true {printf ("a\n"); } else {printf ("b\n"); Output B}*/ /*int a = 1044343; When comparing the size, the constant

Action: Mouse can drag code and commentsPrint No Line breakPrint ("Hello, end="----")Print ("Luhan, end="----"")Print (i,end= "--")\ n Plus string in frontString% variable formatted outputnames = "Luhan"Print ("Name is:%s"%names)multiple outputs

UGLIFYJS is a tool for compressing and beautifying JavaScript, and in its documentation, I've seen several ways to optimize if statements. Although I have not used it to do some experimental testing, but from here I can see that it does make JS a

1 //29-if statement. CPP: Defines the entry point of the console application. 2 //3 4#include"stdafx.h"5#include 6#include 7#include string>8#include 9#include Ten using namespacestd; One A intMain () - { - intHP =0; the if(HP 0) - {

JS Some if statement to determine the condition is fasle casePrior to write an if judgment condition produced by the bug, when the Write logic processing data is in the background to the interface before, so I developed a field value of number type 0

1. Assigning values to variablesLetters are quoted as strings, not labeled as variable names." Jbzhang " = nameprint="jbz"print(name2)Memory Reclamation: The memory space created, when there is no variable pointing, the memory space will be emptied

This article describes the use of if statements in go language. Share to everyone for your reference. The specific analysis is as follows: The IF statement appears to be the same as in C or Java, except that it is not (even forced to use them), and