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Solve : Syntax problem with the FOR command? |
| Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/hi-479908" style="font-weight:bold;" target="_blank" title="Click to know more about HI">HI</a>,<br/><br/>I'm trying to extract File extensions (8.3) from a text file but I can't get it to work, any ideas? Here is the code i'm trying to use:<br/><br/> DIR "C:\test\datafile.*" /b > C:\data.lst"<br/> <br/> FOR /F "eol= " %%i IN (C:\data.lst) DO (<br/> SET FileExt=%%i:~<a href="https://interviewquestions.tuteehub.com/tag/9-miliyn-237742" style="font-weight:bold;" target="_blank" title="Click to know more about 9">9</a>%<br/> ECHO %FileExt%<br/> )<br/><br/><br/>The contents of "C:\data.lst" looks like:<br/><br/> datafile.1<br/> datafile.7<br/> datafile.25<br/> datafile.98<br/> datafile.167<br/> datafile.817<br/><br/><br/>ThanksI figured it out, I <a href="https://interviewquestions.tuteehub.com/tag/needed-1112853" style="font-weight:bold;" target="_blank" title="Click to know more about NEEDED">NEEDED</a> to use the <a href="https://interviewquestions.tuteehub.com/tag/setlocal" style="font-weight:bold;" target="_blank" title="Click to know more about SETLOCAL">SETLOCAL</a> command and instead of using % I needed to use !. This is the syntax I'm using:<br/><br/> DIR "C:\test\datafile.*" /b > "C:\data.lst"<br/> <br/> SetLocal EnableDelayedExpansion<br/> FOR /F "eol= " %%i IN (C:\data.lst) DO (<br/> SET DataFile=%%i<br/> SET FileExt=!DataFile:~9!<br/> ECHO !FileExt!<br/> )<br/> EndLocal<br/><br/>If anyone has any better ideas to do this, I'm all ears!!set fileExt=%%~xi<br/><br/>type FOR /? at the prompt for full help<br/></body></html> | |