Statement(s) to be executedifexpressionistruefi 注意:expression 和方括号([ ])之间必须有空格,否则会有语法错误。 if 语句通过关系运算符判断表达式的真假来决定执行哪个分支。Shell 有三种 if ... else 语句: if...fi语句 if...else...fi语句 if...elif...else...fi语句 示例: #!/bin/bash/a=1...
break and continue commands in the commands can affect the operation of the loop. while command1 do command2 done The while statement works similarly to the until statement. However, the loop ends whenever command1 is unsuccessful (nonzero exit status). Shell reserved words are recognized only ...
break and continue commands in the commands can affect the operation of the loop. while command1 do command2 done The while statement works similarly to the until statement. However, the loop ends whenever command1 is unsuccessful (nonzero exit status). Shell reserved words are recognized only ...
echo "A theorem is a statement that has been proved to be true by a logical constraint. Generally speaking, in mathematics, only important or interesting statements are called theorems. Proving theorems is the central activity of mathematics." echo "\end{thm}" echo echo "证明" echo "...
inshell inshelter inship inshore inshore patrol inshrine Insiccation inside inside caliper Inside callipers inside clinch Inside finish inside forward inside information inside job inside lane Inside lap inside left inside loop inside of inside out ...
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Privacy Statement Third-Party Cookies Accept Reject Manage cookies Learn Discover Product documentation Development languages Topics Sign in Windows App Development Explore Development Platforms Troubleshooting Resources Dashboard Search The Windows Shell Appmgmt.h Appnotify.h Combaseapi....
Log SQL statements that are executed by AdminAPI operations (excluding sandbox operations). By default, this category of statement is not written to the MySQL Shell application log file or sent to the console as verbose output, even when the--log-leveland--verboseoptions are set. The value ...
--java-lint Run a simple shell-based "linter" on our Java code that verifies that we are importing the right methods for assertions and using the right test runners. We exit the script after this step.--cotire Enable precompiled headers using cotire.--cmake-args ...
read-n1 -p"Do you want to continue [Y/N]?"answercase$answerinY|y)echo"fine ,continue";; N|n)echo"ok,good bye";;*)echo"error choice";;esacexit0该例子使用了-n选项,后接数值1,指示read命令只要接受到一个字符就退出。只要按下一个字符进行回答,read命令立即 ...