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Take Command / TCC Help v. 22

@SHA1[[s f,]filename] : Returns the SHA1 checksum of the specified file. If the first argument is an s, the filename argument is interpreted as a string and @SHA1 returns the checksum of that string.


The first parameter determines whether the output is in upper or lower case:


s or flower case
S or Fupper case




echo %@sha1[c:\windows\notepad.exe]



See also @SHA256, @SHA384, @SHA512, @MD5, and @CRC32.