explanation for "if [ -s $filename ];" Post: 302151248

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LEARN ABOUT SUNOS

xattr

XATTR(1)                                                      General Commands Manual                                                     XATTR(1)

NAME

       xattr - sets or lists extended attributes on a file or directory

SYNOPSIS

       xattr [ -lz ] filename [ filename ... ]
       xattr -p [ -lz ] attr_name filename [ filename ... ]
       xattr -w [ -z ] attr_name attr_value filename [ filename ... ]
       xattr -d attr_name filename [ filename ... ]

DESCRIPTION

       This manual page documents briefly the xattr command.

       The first form lists the names of all xattrs on the given file(s).
       The second form (-p) prints the value of the xattr attr_name.
       The third form (-w) sets the value of the xattr attr_name to attr_value.
       The fourth form (-d) deletes the xattr attr_name.

OPTIONS

       A summary of options is included below.

       -h     Show summary of options.

       -l     Print long format (attr_name: attr_value) when listing xattrs.

       -z     Compress or decompress (if compressed) attribute value in zip format).

SEE ALSO

       The Python module "xattr"

AUTHOR

       xattr was written by Bob Ippolito <bob@redivi.com>.

       This manual page was written by Federico Ceratto, for the Debian project (and may be used by others).

                                                                   May  8, 2010                                                           XATTR(1)