Recently, while searching for a way to detect Unicode vs. ANSI encoding in VBScript, I found this brilliantly simple batch solution by jaclaz:
@ECHO OFF :: Based on code by "jaclaz" on MSFN.ORG :: http://www.msfn.org/board/topic/158633-how-to-check-text-file-encoding-from-command-line/#comment-1014056 IF "%~1"=="" ( ECHO Usage: %~n1 textfilename GOTO:EOF ) FOR /F %%A IN (%1) DO ( ECHO ANSI GOTO:EOF ) ECHO Unicode
It is based on the fact that a FOR /F loop will abort if the text file contains ASCII 0 characters.
This code will work:
FOR /F %%A IN (%1) DO (ECHO ANSI&GOTO:EOF)
However, the following code won't:
FOR /F %%A IN ('TYPE %1') DO (ECHO ANSI&GOTO:EOF)
That's because TYPE already "filtered out" the ASCII 0 characters.
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