On approximately 11/19/2009 12:22 AM, came the following characters from the keyboard of Wolfgang Hugemann: > Thank you for this hint; I didn't know that. > > I have just tested it and found that you may as well directly start a DOS > shell window with the option "/V:on". >
Sure, if you use Run or something. I chose to describe something I was pretty sure anyone would be able to follow. > I however don't think that is is recommendable to rely on code which uses > "!variable!", because there are other ways to invoke batch file processing, > like Drag& Drop or SendTo. And these start the CMD shell without this option. > You can test for the /v:on option being set, and have the batch file self-invoke itself, using /v:on the second time, to be safe... > Or is there a way that ensures that a DOS shell is always started with the > option "/V:on"? > Or you can set the registry entry that turns /v:on unconditionally, as documented in the help text I pointed at in my first response. > Greetings from Germany > Wolfgang Hugemann > > ----- original Nachricht -------- > > Betreff: Re: [magick-users] Titelling image array in montage -- German umlauts > Gesendet: Mi, 18. Nov 2009 > Von: Glenn Linderman<[email protected]> > > >> On approximately 11/18/2009 12:58 AM, came the following characters from >> the keyboard of Wolfgang Hugemann: >> >>> The problem occurs in the last line of "c.bat", where German umlauts are >>> >> interchanged by crude characters. Is there any means by which I can instruct >> montage to use a certain coding for the text supplied in "title.txt"? >> >>> >> I can't help here, sorry. But... >> >> >>> ........................ >>> >>> I will now shortly explain what's happening in the batch files, although >>> >> this is not neccessary to understand my problem: >> >>> The two batch files are placed in the root directory of the tree and are >>> >> called from there. >> >>> The FOR loop in the first batch file runs through the directory tree, >>> >> filters all directory names containing the string "digibis" and passes each >> of these directories to C.BAT as the single command line parameter. >> >>> C.BAT increases the environment variable COUNT, echoes the directory name >>> >> into TITLE.TXT (which is necessary because of the backslash used in Windows >> pathnames, which would otherwise be considered as starting an escape >> sequence). >> >>> MONTAGE then generates an index print of all images in the subdirectory >>> >> and stores it in the file N.JPG in the root directory, with N being an >> integer number. >> >>> Please note that the operation performed in C.BAT cannot be performed >>> >> within the FOR loop, even not if bracketed by parantheses "(", ")": The >> environment variable COUNT would not be increased while running the FOR loop >> (for reasons that I could not figure out...). >> >>> >> Here's a sample batch file to demonstrate the issue regarding count. The >> problem with count is that %environment variables% in the for command, >> the whole thing, regardless of how many () lines, are substituted at the >> time the for command is parsed. Then those lines are used by the loop. >> >> Start a cmd, then start another with the following command >> >> cmd /v:on >> >> In that nested cmd, run the following lines as a batch file: >> >> @echo off >> set count=0 >> for %%a in (a b c) do ( >> set /A count+=1 >> echo normal count %count% %%a >> echo deferred count !count! %%a >> ) >> echo final count %count% >> echo final deferred count !count! >> >> For explanation, see >> >> cmd /? >> >> and look for "deferred environment variable expansion" both in the >> option list (/v) and in a later paragraph that begins with those words. >> >> So as you see, the count was getting incremented by the loop, but the >> %expansion% had already taken place, so the initial value of count had >> already been substituted into the loop commands before the count had >> been incremented. >> >> > --- original Nachricht Ende ---- > > > _______________________________________________ > Magick-users mailing list > [email protected] > http://studio.imagemagick.org/mailman/listinfo/magick-users > > _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
