Print paper size information.
--all show information about all known paper sizes
--no-size
do not show paper sizes (width followed by height)
--unit UNIT
unit in which to show sizes [pt, mm, in; default: natural units]
--help display this help message and exit
--version
display version information and exit
paper prints information about the given paper sizes, which can include the standard form of its name,
its width and height. The output is designed to be both human- and machine-readable. The name is matched
case-insensitively, and ignoring spaces.
If neither a paper size nor the --all option is given, the current paper size is used.
The current paper size is obtained by looking in order at the following values until a non-empty value is
found. If no paper size is configured, paper exits with an error.
• The PAPERSIZE environment variable
• The user's default paper size in $XDG_CONFIG_HOME/papersize
• The current locale's default paper size (if supported by the system)
• The system default paper size in /etc/papersize
• The first paper size in the system list
• The first paper size in the user's list