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NAME

       vips - run vips operations from the command line

SYNOPSIS

       vips [options] [command] [command-options] [command-args]

DESCRIPTION

       vips(1)  is  the VIPS universal main program. You can use it to run any
       VIPS operation from the  command  line,  to  query  the  VIPS  function
       database, and to maintain parts of the VIPS library.

       To  run  a  VIPS function, the first argument should be the name of the
       function and following arguments should be the function parameters. For
       example:

         $ vips im_invert lena.v lena2.v

OPTIONS

       -p PLUGIN, --plugin=PLUGIN
              Load  PLUGIN.  Note  that  plugins  in  $VIPSHOME/lib are loaded
              automatically.

       -v, --version
              Show VIPS version.

COMMANDS

       list PACKAGE
              List  operations  defined  in  PACKAGE.  PACKAGE  can  also   be
              "classes", "packages" or "all".

       cpph PACKAGE
              Print  C++  header  for  PACKAGE. PACKAGE can also be a function
              name, or "all".

       cppc PACKAGE
              Print C++ binding for PACKAGE. PACKAGE can also  be  a  function
              name, or "all".

       operation-name operation-arguments
              Execute  a named operation, for example im_invert, or add. Names
              prefixed with "im_" are called via the  vips7  interface,  names
              without the prefix use the new vips8 interface.

EXAMPLES

       Run  a  vips7  operation.  The vips7 interface does not suport optional
       arguments.

         $ vips im_invert lena.v lena2.v

       Run a vips8 operation. Operation  options  must  follow  the  operation
       name.

         $ vips add --imtest=option.jpg lena.v lena2.v out.v

       Get a "usage" message for an operation

         $ vips add
         usage:
            add left right out
            add two images
         where:
            left         - Left-hand image argument, input VipsImage
            right        - Right-hand image argument, input VipsImage
            out          - Output image, output VipsImage
         operation flags: sequential-unbuffered
         add: too few arguments

RETURN VALUE

       returns 0 on success and non-zero on error.

SEE ALSO

       header(1)

COPYRIGHT

       The National Gallery and Birkbeck College, 1989-1996.

                                 30 June 1993                          VIPS(1)



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