gfal-xattr - Man Page
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)
Referenced By
gfal-archivepoll(1), gfal-bringonline(1), gfal-cat(1), gfal-chmod(1), gfal-copy(1), gfal-evict(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).