a batch file will display its commands as it runs. The purpose of this first command is to turn off this display. The command "echo off" turns off the display for the whole script, except for the "echo off" command itself. The "at" sign "@" in front makes the command apply to it...
The batch command interpreter provides a courtesy label to simply this technique: The special goto targetgoto :eof(with the colon) jumps to the end of the batch file. It’s as if every batch file had a hidden goto label called:eofon the very last line. Thegoto :eoftrick becomes even m...
You can include any command in a batch file. Certain commands, such as for, goto, and if, enable you to do conditional processing of the commands in the batch file. For example, the if command carries out a command based on the results of a condition. Other commands allow you to ...
批处理是一种简化的脚本语言,它应用于DOS和Windows系统中,它是由DOS或者Windows系统内嵌的命令解释器(通常是COMMAND.COM或者CMD.EXE)解释运行。批处理的编程能力远不如C语言等编程语言,也十分不规范,大小写不敏感(命令符忽略大小写)。每个编写好的批处理文件都相当于一个DOS的外部命令,把它所在的目录放到DOS...
FOR /F ["options"] %variable IN (file-set) DO command FOR /F ["options"] %variable IN ("string") DO command FOR /F ["options"] %variable IN (command) DO command 参数"options"为: eol=c - 指一个行注释字符的结尾(就一个,如“;”) ...
GOTOEND :ONE ECHO YOU HAVE PRESSED A :END pause CLS This command is used to clear the console screen. Example, @echo OFF CLS pause CMD This batch command invokes a new command prompt window. Example, @echo OFF CMD COMP The COMP batch command compares the size of two files and checks ...
FOR /F ["options"] %variable IN (file-set) DO command FOR /F ["options"] %variable IN ("string") DO command FOR /F ["options"] %variable IN (command) DO command 参数"options"为: eol=c - 指一个行注释字符的结尾(就一个,如“;”) ...
FOR /F ["options"] %variable IN (file-set) DO command FOR /F ["options"] %variable IN ("string") DO command FOR /F ["options"] %variable IN (command) DO command 参数"options"为: eol=c - 指一个行注释字符的结尾(就一个,如“;”) ...
ftype exefile="%1" %* 恢复exefile 的正确关联 如果该关联已经被破坏,可以运行 command.com ,再输入这条命令 36 pushd 和 popd 切换当前目录 @echo off c: & cd & md mp3 #在 C: 建立 mp3 文件夹 md d:mp4 #在 D: 建立 mp4 文件夹 ...