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DOS批处理 & 脚本技术（批处理室） » [Original] Detailed Explanation of Variable Delay (Recommended for Beginners)

Floor16　namejm	Posted 2007-03-13 02:17
荣誉版主　Posts 1,737　Credits 5,226　From 成都
There are side effects. For example, it will discard the half-width exclamation mark in the variable value. Other side effects haven't been observed for the time being, and it remains to be discovered by you all.

Floor17　willsion	Posted 2007-03-13 03:45
高级用户　Posts 312　Credits 793
Originally posted by namejm at 2007-3-13 02:17 AM: 　　There are side effects, for example, it will discard the half-width exclamation mark in the variable value. Other side effects have not been observed for the time being, and it remains to be discovered by everyone. Does it have a scope of action? If it is defined inside a for () loop, does it only work within the for () loop? If so, it can reduce some possible side effects.

Floor18　namejm	Posted 2007-03-13 06:53
荣誉版主　Posts 1,737　Credits 5,226　From 成都
The meaning of setlocal is to localize variables. When it encounters the first endlocal statement, it ends this localization process. So, if defined inside for (), if the endlocal statement is not added in the appropriate position, the setlocal enabledelayedexpansion statement will always take effect. In addition, more than 32 levels of setlocal statements will generate the error "The maximum setlocal recursion level has been reached". And one of the means to solve this problem is to use the endlocal statement to end the variable localization process before executing the 33rd setlocal statement.

Floor19　userlzx	Posted 2007-03-13 15:28
新手上路　Posts 6　Credits 12
It's very detailed. I kind of understand. Thank you~~~

Floor20　hxmupdata	Posted 2007-03-14 21:58
初级用户　Posts 39　Credits 76
LZ is very humorous, talked about a lot of things, and the moderator also supplemented a lot.........................

Floor21　dglsy	Posted 2007-03-15 21:40
初级用户　Posts 20　Credits 39
Thanks a lot! Thanks to the original poster

Floor23　nforce1	Posted 2007-03-16 23:20
初级用户　Posts 16　Credits 128
Thanks for everyone's support. I just had time to stroll around here today. Hehe! Special thanks to moderator namejm for guiding everyone. I also learned from it!!

Floor24　wxjlotus	Posted 2007-03-17 11:41
社区乞丐　Posts 14　Credits -54　From 重庆大学
I finally figured it out today, haha! Thanks a lot!!!

Floor26　Billunique	Posted 2007-03-22 11:36
中级用户　Posts 112　Credits 259
Your expression is so clear, really admire it~ Learn, learn!

Floor27　chenall	Posted 2007-03-22 13:10
银牌会员　Posts 469　Credits 1,276　From 福建泉州
It's very good. I hope the original poster will write some similar articles to make it easier for newcomers to understand.

Floor28　nforce1	Posted 2007-03-24 01:23
初级用户　Posts 16　Credits 128
Originally posted by chenall at 2007-3-22 12:10 AM: It's very good. I hope the original poster will write some similar articles to make it easier for newcomers to understand. I also hope I can, but it's just that I have more heart than strength (don't get me wrong~~heh) Too busy! When I have time, I can only rest! In fact, there are many experts in the forum. You can benefit a lot by asking any of them casually! I will definitely write again when I have time! Actually, I'm also a noob!! Haha!

Floor29　swallow	Posted 2007-03-26 08:36
新手上路　Posts 5　Credits 10
These past two days I've been worrying about the command setlocal EnableDelayedExpansion, but today I saw your post and suddenly saw the light, thanks a lot.

Floor30　stornager	Posted 2007-03-31 04:16
中级用户　Posts 131　Credits 328
Well done! Hope the thread starter posts more to let us newbies learn. (:)(:)

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