7.25.37 "if [ -f /export/home/insite/.insiteINFO ] ; then echo "1" ; else echo "0" ; fi" if: Expression Syntax. Run Code Online (Sandbox Code Playgroud)Jef*_*ler 6 如果insite 用户的 shell 是 csh 或 tcsh,这就是你得到的结
/bin/bash# Test two number who is bigger#2016-0828 author chawan#[$#-ne2]&&echo"Please give two number !"&&exit1if[$1-ge$2];thenecho"First number$1is bigger"elseecho"Second number$2is bigger"fi[root@localhost test]# chmod +x if12[root@localhost test]# ./if12Please give two nu...
if - then -else 不管if是否执行成功,都有另外一种选择。如果if返回一个非0的状态,shell会继续执行下一个命令。 if command then command else command fi 1. 2. 3. 4. 5. 当if 返回的状态码是0时,then部分命令会执行,当if返回状态码非0时,shell会执行else部分的命令 [root@zw-test-db ~]# vim te...
"a user-name in the password file" else echo "At least one of the three test conditions is false" fi Using -e option in sh Example 6 Using /usr/bin/test for the -e option If one really wants to use the -e option in sh, use /usr/bin/test, as in the following: if [ ! -h...
elseif-falsefi双分支语句跟单分支语句不同的地方在于else后面接的是CONDITION为假时的情况同理else后面可以跟命令也可以跟语句嵌套。最后以fi结束if语句………示例:比较两个数的大小,如果第一个数大于等于第二个数则显示:First number is bigger,否则显示:Second number is bigger。1 2 3 4 5 6 7 ...
echo "this is put in command echo:" ls -a /home/$rhce/.b* fi [22:56:19 root@libin3 libin]# chmod u+x shell22 [23:00:12 root@libin3 libin]# ./shell22 student:x:1004:1004::/home/student:/bin/bash this is rhcsa this is rhce ...
else echo "Welcome, $name. You are old enough." fi 在上面的示例中,我们使用source命令引入了一个名为external_script.sh的外部脚本。然后,我们定义了一个名为name的变量,并将其设置为"John",定义了一个名为age的变量,并将其设置为25。接下来,我们使用if语句判断age是否小于18,如果是,则输出一条消息表示...
{} + } + + } else if (current.autoWidth || current.autoHeight) { + inner.addClass( 'fancybox-tmp' ); + + // Set width or height in case we need to calculate only one dimension + if (!current.autoWidth) { + inner.width( origWidth ); + } + + if (!current.autoHeight)...
running script manually is ok. but if i run it from cron i have an error:/home/scripts/test.sh[21]: Syntax error at line 56 : `else' is not matched. why?my script is:#!/usr/bin/cshset p_monit=/home/scripts/MONITORING#--->12132005 This is to take correct name in scriptcd /...
其中elif和else可选。 例:#!/bin/sh Fruit=apple F=b if $Fruit>$F; then echo $Fruit else echo $F fi 使用test:test expression,可用文件测试、字符串比较、数字比较。 (2)case语法:case word in pattern1) list1 ;; Pattern2) list2 ;; ...