NAME

       gfal-sum - Calculate checksum of a file

SYNOPSIS

       gfal-sum [ OPTION ] FILE CHECKSUM_TYPE

DESCRIPTION

       gfal-sum  Calculates  the  checksum  of  the  specified  file,  using a specified checksum
       algorithm. The supported algorithm depend on the protocol and endpoint. Some examples  are
       ADLER32 , CRC32 and MD5

OPTIONS

       -h, --help
              show help about the command.

       -V, --version
              output version information and exit.

       -v, --verbose
              verbose mode. Repeat up to 3 times for the most verbose mode.

       -D, --definition DEFINITION
              define   properties   for   gfal2.   Definitions   have   the   following   syntax:
              "CONFIG_GROUP:KEY=VALUE"

       -t, --timeout TIMEOUT
              global timeout for the execution of the command. Command  is  interrupted  if  time
              expires  before  it  finishes.  Note:  A grace period of 30 seconds is given to the
              global timeout.

       -E, --cert CERT
              user certificate. (This option takes effect only after X509_USER_PROXY  environment
              variable and default /tmp/x509up_u`id -u` location cannot provide a certificate)

       --key KEY
              user private key.

       -4     forces Gfal2 to use IPv4 addresses only. (Option valid only for GridFTP protocol)

       -6     forces Gfal2 to use IPv6 addresses only. (Option valid only for GridFTP protocol)

       -C, --client-info CLIENT_INFO
              provide custom client-side information.

       --log-file LOG_FILE
              write Gfal2 library logs to the given file location.

EXAMPLES

       gfal-sum
              srm://endpoint.cern.ch/path/file ADLER32

FILES

       /etc/gfal2.d/*
              All  configuration  files  in  this directory affect the behavior of the underlying
              gfal2.

AUTHORS

       Duarte Meneses <duarte.meneses@cern.ch>
       Adrien Devresse <adrien.devresse@cern.ch>
       Alejandro Alvarez Ayllon <alejandro.alvarez.ayllon@cern.ch>
       Andrea Manzi <andrea.manzi@cern.ch>
       Mihai Patrascoiu <mihai.patrascoiu@cern.ch>
       Joao Lopes <joao.pedro.batista.lopes@cern.ch>

SEE ALSO

       gfal-cat(1), gfal-chmod(1), gfal-copy(1), gfal-ls(1), gfal-mkdir(1), gfal-rename(1), gfal-
       rm(1),   gfal-save(1),  gfal-stat(1),  gfal-sum(1),  gfal-token(1),  gfal-xattr(1),  gfal-
       evict(1), gfal-bringonline(1), gfal-archivepoll(1)