How to use variables on this Windows batch file












2















I'm learning batch script and I made some good progress (little, but enough to help me saving time). Now I'd like to work with variables. I've tried reading about variables and I know how to use %object% and replace it in some simple cases. But I don't have any idea on how to use them with "IF" statements.
What I'm trying to do is replace element %lng% with "eng" when element %lngf% is "en.srt".



IF lngf==en.srt SET lng==eng
IF lngf==es.srt SET lng==spa
FOR /R %%A IN (*.avi *.mp4 *.webm *.ogm *.ogv *.flv) do mkvmerge -o "%%~nA.mkv" "%%~A" --language 0:%lng% "%%~nA.%lngf%" --language 0:%lng% "%%~nA.%lngf%"


**language appears 3 times because I usually have 3 languages for subtitles.



My output is:



mkvmerge -o "vsshort.mkv" "C:UsersAdministratorDesktoppessoaltestsvideo.avi" --language 0:eng "vsshort." --language 0:eng "video."
mkvmerge v30.1.0 ('Forever And More') 64-bit
Erro: The file 'video.' file can't be opened for reading: open file error.


Note: it shows --language 0:eng twice. It should show --language 0:eng and then --language 0:spa.










share|improve this question

























  • When comparing, the double equals (==) is correct. But when setting a variable, only one (=) is needed. And when setting the variable, you don't need the % characters.So the last part of that first line should be ... set lng=eng.

    – Doug Deden
    Jan 16 at 17:50











  • It should be IF %lngf%==en.srt SET lng=eng. . . You need to be sure you set the variable value before the IF statement evaluates it though.

    – Pimp Juice IT
    Jan 16 at 20:10













  • That didn't work.

    – G. L.
    Jan 17 at 0:00
















2















I'm learning batch script and I made some good progress (little, but enough to help me saving time). Now I'd like to work with variables. I've tried reading about variables and I know how to use %object% and replace it in some simple cases. But I don't have any idea on how to use them with "IF" statements.
What I'm trying to do is replace element %lng% with "eng" when element %lngf% is "en.srt".



IF lngf==en.srt SET lng==eng
IF lngf==es.srt SET lng==spa
FOR /R %%A IN (*.avi *.mp4 *.webm *.ogm *.ogv *.flv) do mkvmerge -o "%%~nA.mkv" "%%~A" --language 0:%lng% "%%~nA.%lngf%" --language 0:%lng% "%%~nA.%lngf%"


**language appears 3 times because I usually have 3 languages for subtitles.



My output is:



mkvmerge -o "vsshort.mkv" "C:UsersAdministratorDesktoppessoaltestsvideo.avi" --language 0:eng "vsshort." --language 0:eng "video."
mkvmerge v30.1.0 ('Forever And More') 64-bit
Erro: The file 'video.' file can't be opened for reading: open file error.


Note: it shows --language 0:eng twice. It should show --language 0:eng and then --language 0:spa.










share|improve this question

























  • When comparing, the double equals (==) is correct. But when setting a variable, only one (=) is needed. And when setting the variable, you don't need the % characters.So the last part of that first line should be ... set lng=eng.

    – Doug Deden
    Jan 16 at 17:50











  • It should be IF %lngf%==en.srt SET lng=eng. . . You need to be sure you set the variable value before the IF statement evaluates it though.

    – Pimp Juice IT
    Jan 16 at 20:10













  • That didn't work.

    – G. L.
    Jan 17 at 0:00














2












2








2








I'm learning batch script and I made some good progress (little, but enough to help me saving time). Now I'd like to work with variables. I've tried reading about variables and I know how to use %object% and replace it in some simple cases. But I don't have any idea on how to use them with "IF" statements.
What I'm trying to do is replace element %lng% with "eng" when element %lngf% is "en.srt".



IF lngf==en.srt SET lng==eng
IF lngf==es.srt SET lng==spa
FOR /R %%A IN (*.avi *.mp4 *.webm *.ogm *.ogv *.flv) do mkvmerge -o "%%~nA.mkv" "%%~A" --language 0:%lng% "%%~nA.%lngf%" --language 0:%lng% "%%~nA.%lngf%"


**language appears 3 times because I usually have 3 languages for subtitles.



My output is:



mkvmerge -o "vsshort.mkv" "C:UsersAdministratorDesktoppessoaltestsvideo.avi" --language 0:eng "vsshort." --language 0:eng "video."
mkvmerge v30.1.0 ('Forever And More') 64-bit
Erro: The file 'video.' file can't be opened for reading: open file error.


Note: it shows --language 0:eng twice. It should show --language 0:eng and then --language 0:spa.










share|improve this question
















I'm learning batch script and I made some good progress (little, but enough to help me saving time). Now I'd like to work with variables. I've tried reading about variables and I know how to use %object% and replace it in some simple cases. But I don't have any idea on how to use them with "IF" statements.
What I'm trying to do is replace element %lng% with "eng" when element %lngf% is "en.srt".



IF lngf==en.srt SET lng==eng
IF lngf==es.srt SET lng==spa
FOR /R %%A IN (*.avi *.mp4 *.webm *.ogm *.ogv *.flv) do mkvmerge -o "%%~nA.mkv" "%%~A" --language 0:%lng% "%%~nA.%lngf%" --language 0:%lng% "%%~nA.%lngf%"


**language appears 3 times because I usually have 3 languages for subtitles.



My output is:



mkvmerge -o "vsshort.mkv" "C:UsersAdministratorDesktoppessoaltestsvideo.avi" --language 0:eng "vsshort." --language 0:eng "video."
mkvmerge v30.1.0 ('Forever And More') 64-bit
Erro: The file 'video.' file can't be opened for reading: open file error.


Note: it shows --language 0:eng twice. It should show --language 0:eng and then --language 0:spa.







windows batch environment-variables






share|improve this question















share|improve this question













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share|improve this question








edited Jan 16 at 23:58









jonsca

3,030112539




3,030112539










asked Jan 16 at 17:06









G. L.G. L.

7311




7311













  • When comparing, the double equals (==) is correct. But when setting a variable, only one (=) is needed. And when setting the variable, you don't need the % characters.So the last part of that first line should be ... set lng=eng.

    – Doug Deden
    Jan 16 at 17:50











  • It should be IF %lngf%==en.srt SET lng=eng. . . You need to be sure you set the variable value before the IF statement evaluates it though.

    – Pimp Juice IT
    Jan 16 at 20:10













  • That didn't work.

    – G. L.
    Jan 17 at 0:00



















  • When comparing, the double equals (==) is correct. But when setting a variable, only one (=) is needed. And when setting the variable, you don't need the % characters.So the last part of that first line should be ... set lng=eng.

    – Doug Deden
    Jan 16 at 17:50











  • It should be IF %lngf%==en.srt SET lng=eng. . . You need to be sure you set the variable value before the IF statement evaluates it though.

    – Pimp Juice IT
    Jan 16 at 20:10













  • That didn't work.

    – G. L.
    Jan 17 at 0:00

















When comparing, the double equals (==) is correct. But when setting a variable, only one (=) is needed. And when setting the variable, you don't need the % characters.So the last part of that first line should be ... set lng=eng.

– Doug Deden
Jan 16 at 17:50





When comparing, the double equals (==) is correct. But when setting a variable, only one (=) is needed. And when setting the variable, you don't need the % characters.So the last part of that first line should be ... set lng=eng.

– Doug Deden
Jan 16 at 17:50













It should be IF %lngf%==en.srt SET lng=eng. . . You need to be sure you set the variable value before the IF statement evaluates it though.

– Pimp Juice IT
Jan 16 at 20:10







It should be IF %lngf%==en.srt SET lng=eng. . . You need to be sure you set the variable value before the IF statement evaluates it though.

– Pimp Juice IT
Jan 16 at 20:10















That didn't work.

– G. L.
Jan 17 at 0:00





That didn't work.

– G. L.
Jan 17 at 0:00










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