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)

v1.7.1                                             March 2022                                        GFAL-SUM(1)