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DOS批处理 & 脚本技术（批处理室） » Problems with counting

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Floor16　jmz573515	Posted 2007-01-07 05:52
银牌会员　Posts 464　Credits 1,212
The principle of this VBS I wrote is like this. Read the tmp.txt file. If it doesn't exist, it means it's the first run, then create the tmp.txt file and input "1" in it. If it exists, read the "1" inside, then add 1, rewrite this file. And display the number of times it runs. (Display according to the number in tmp.txt) BAT is something I'm completely incompetent with. :( Write my thoughts here for reference only.

Floor17　9527	Posted 2007-01-07 05:53
银牌会员　Posts 438　Credits 1,185　From 北京
Actually, this method is not good. If exiting the current CMD SHELL is invalid and the defined variable A is invalid, it is still seeking the best solution @echo off if not defined a (set a=1) else (set/a a=%a%+1) echo P has run %a% times [ Last edited by 9527 on 2007-1-7 at 05:54 AM ]

Floor18　namejm	Posted 2007-01-07 06:24
荣誉版主　Posts 1,737　Credits 5,226　From 成都
To calculate the number of runs without using the registry or temporary files, not only batch processing can't do it, but also other languages can't. Because the number of uses always needs to be stored in a place that is not easy to lose data, so that it can be read out next time. -- BTW, putting this number of uses in the batch file itself can also be regarded as using a temporary file, but it's just a disguised use.

Floor19　vkill	Posted 2007-01-07 08:15
金牌会员　Posts 1,744　Credits 4,103　From 甘肃.临泽
Originally posted by namejm at 2007-1-7 06:24: 　　If you calculate the number of runs without using the registry or temporary files, not only batch processing can't do it, but also other languages are impossible to do, because you always have to put the number of uses in a place that is not easy to lose... Agreed

Floor20　scriptor	Posted 2007-01-07 10:07
银牌会员　Posts 555　Credits 1,187
Since everyone says so, then it will end temporarily. Hehe

Floor21　zh159	Posted 2007-01-07 13:11
金牌会员　Posts 1,467　Credits 3,687
There is a shortcoming in the code on my 6th floor: the batch file name cannot contain spaces. Improvement to allow spaces: @echo off for /f "tokens=1,2* delims=:" %%i in ('findstr /nv "`" "%~nx0"') do set /a N=%%i-1 for /f "skip=%N% delims=" %%i in ('type "%~nx0"') do ( for %%n in (%%i) do set /a %%n+=1) set /a :+=1 echo.&echo. The %:% run. &echo. set/p=: <nul>>"%~nx0" pause exit The file name cannot contain special symbols! The compiled batch file must have an empty line at the last line for a newline Test passed on XP SP2 [ Last edited by zh159 on 2007-1-7 at 12:15 AM ]

Floor22　26933062	Posted 2007-01-07 13:42
银牌会员　Posts 879　Credits 2,268
Didn't pay attention and there's already a good method, heh heh [ Last edited by 26933062 on 2007-1-7 at 12:48 AM ]

Floor23　scriptor	Posted 2007-01-08 01:53
银牌会员　Posts 555　Credits 1,187
Okay, very good Is it possible to handle file names with spaces by adding 'type "%~nx0"'?

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