goto label ksh88 *exit [n] *return [n] ksh +exit [n] +return [n] 描述 sh exit 可使调用方 shell 或 shell 脚本退出,退出状态由 n 指定。如果省略了 n,则退出状态为最后执行的命令的退出状态(EOF 也会导致 shell 退出)。 return 会使函数退出,返回值由 n 指定。如果省略 n,则返回状态为最后执...
read input case $input in “goto label1”) echo “跳转到标签1” break ;; “goto label2”) echo “跳转到标签2” break ;; *) echo “无效指令” ;; esac done label1: echo “这是标签1” exit label2: echo “这是标签2” exit “` 在此示例中,通过循环接受用户输入,并根据输入执行相应的...
UEFI Shell command reference goto Syntax GOTO label Description Goes to a label in a script. Options label Specifies a location in batch file. Usage The GOTO command directs script file execution to the line in the script file after the given label. The command is not supported from the int...
pause 2. 标签名拼写错误 问题描述:标签名拼写错误导致goto命令无法找到对应的标签。 解决方法:仔细检查标签名的拼写,并确保与goto命令中的标签名完全一致。 示例代码: 代码语言:txt 复制 @echo off :start echo This is the start label. goto end ; 注意这里的标签名是 "end" :end echo This is the end ...
!= FNR { print a[FNR], $2,(a[FNR]-$2)} ' /root/test* 2. 123abc456 45 ...
label A predefined label in the batch program. Each label must be defined on a line by itself, beginning with a colon and ending with either a space, a colon or a CR/LF. :eof This predefined label will exit the current subroutine or script....
The general format forIF ... ELSEisIF [CONDITION] [COMMANDS] ELSE [COMMANDS], and the general format forGOTOisGOTO LABEL. TheLABELis the specific point where you want to start from. In our example, we’ll make a sum of two values and check whether they are less than 20. If it’s...
'GoTo <labelname>' is not valid because '<labelname>' is inside a 'SyncLock' statement that does not contain this statement 'GoTo <labelname>' is not valid because '<labelname>' is inside a 'Try', 'Catch' or 'Finally' statement that does not contain this statement 'GoTo <l...
ShowTemplateRegionLabel ShowTrimmedCallTree ShowVisualAids ShowWordDiff Apagado SideBySide SignatureFile SigningKey Silverlight SilverlightApplication SilverlightDictionary SilverlightFolderClosed SilverlightFolderOpened SilverlightLibrary SilverlightPhone SilverlightTemplate SilverlightUserControl SilverlightVideo SilverlightWebSite...
Python 默认是没有goto语句的,但是有一个第三方库支持在 Python 里面实现类似于fromgotoimport with_goto@with_gotodef func(): for i in range(2): for j in range(2):goto.end label .end return (i, j, k) func() 在执行第一遍循环时,就会从最内层的 ...