NAME

       gfal-xattr - show or set attributes of a file

SYNOPSIS

       gfal-xattr [ OPTION ]...  FILE [ ATTRIBUTE [ = VALUE ]]

DESCRIPTION

       gfal-xattr  Display  attributes  of a file or set them to a new value. This command comes in three forms,
       making it possible, for a specified file,  to list all attribute and corresponding  values,  display  the
       value of a particular attribute or assign a new value to a particular attribute - see examples.

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.

       FILE   file URI

       ATTRIBUTE
              optional argument, specifying an attribute to get or set. If no attribute is given, all attributes
              and corresponding values are displayed.

       VALUE  if an attribute is given, a new value can optionally be assigned to it.

EXAMPLES

       Show all attributes and values of a file:
              gfal-xattr srm://endpoint.cern.ch/path/file

       Show the value of a particular attribute:
              gfal-xattr srm://endpoint.cern.ch/path/file user.status

       Set a new value to an attribute:
              gfal-xattr srm://endpoint.cern.ch/path/file user.status=new_value

       Typically, you can get the transport urls (turls) with the "user.replicas" attribute:
              srm://endpoint.cern.ch/path/file user.replicas

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-XATTR(1)