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CRYPTDIR(1)              USER COMMANDS             1 January 1993


cryptdir - encrypt/decrypt all files in a directory


cryptdir [ dir ]
     decryptdir [ dir ]


cryptdir encrypts all files in the current directory (or the
     given  directory  if  one is provided as an argument).  When
     called as decryptdir (i.e., same program,  different  name),
     all files are decrypted.


When encrypting, you are prompted twice for the password  as
     a  precautionary measure.  It would be a disaster to encrypt
     files with a password that wasn't what you intended.

     In contrast, when decrypting, you are  only  prompted  once.
     If it's the wrong password, no harm done.

     Encrypted files  have  the  suffix  .crypt  appended.   This
     prevents  files  from  being encrypted twice.  The suffix is
     removed upon decryption.  Thus, you can easily add files  to
     an encrypted directory and run cryptdir on it without worry-
     ing about the already encrypted files.


The man page is longer than the program.


"Exploring  Expect:  A  Tcl-Based  Toolkit  for   Automating
     Interactive Programs" by Don Libes, O'Reilly and Associates,
     January 1995.


Don Libes, National Institute of Standards and Technology

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