SYNOPSIS

 $0 [--src src-range(default `hostname`)] --dst dst-range --sp src-path [--dp dst-path] \
    [--timeout seconds(default 300)]
    [--max number(default 128)]
    [--retry number(default 2)]
    [--gave number(default 3)]

    [--user username(default `id -un`)] 
    [--sudo user1 ] 
    [--chown root]
    [--chmod 777]
    [--cc]
    [--delete]

     -1      Forces grsync to try protocol version 1
     -2      Forces grsync to try protocol version 2
     -3      Forces grsync to try protocol version 3
     -4      Forces grsync to try protocol version 4

     --sp /path/file --dp /path/foo/newfile
     --sp /path/file --dp /path/foo/
     --sp /path/     --dp /path/foo/
     --sp /path/foo* --dp /path/foo/
     --sp '/path/file1;/path/file2' --dp /path/foo/

     [--immediately]
     [--addr 10.10.10.10]
     [--listen 9999]