问如何使用awk命令打印模式匹配行，以及我需要打印另一个模式匹配的下一行

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 [ test $] cat test.in                                                      
Setting application AAA active for user [usernme@mailid.com]                
Connected from [::ffff:161.179.445.43]
Received client request: List database locks (from user [usernme@mailid.com)
Connected from [::ffff:161.179.221.43]
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.43]
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.43]
Setting application AAA active for user [usernme@mailid.com]
Received client request: List database locks (from user [usernme@mailid.com)
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.44]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.45]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Received client request: List database locks (from user [usernme@mailid.com)
Setting application AAA active for user [usernme@mailid.com]
Received client request: List database locks (from user [usernme@mailid.com)
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.46]
Setting application AAA active for user [usernme@mailid.com]
Received client request: List database locks (from user [usernme@mailid.com)
Setting application AAA active for user [usernme@mailid.com]
Received client request: List database locks (from user [usernme@mailid.com)
Setting application AAA active for user [usernme@mailid.com]
Received client request: List database locks (from user [usernme@mailid.com)
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.47]


 [ test $]
 [ test $]

 [ test $] cat test.sed
#!/bin/sed  -nf

/Setting application/{
         N;
         /ffff:[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/{p;d};
         /\nSetting application/!{
                      s|\n.*||;p;d;
        }
        P;D
}

 [ test $] ./test.sed test.in
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.43]
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.43]
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.43]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.44]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.45]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.46]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Setting application AAA active for user [usernme@mailid.com]
Connected from [::ffff:161.179.445.47]
 [ test $]

[ test $] sed --version
GNU sed version 4.2.1
Copyright (C) 2009 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE,
to the extent permitted by law.

GNU sed home page: <http://www.gnu.org/software/sed/>.
General help using GNU software: <http://www.gnu.org/gethelp/>.
E-mail bug reports to: <bug-gnu-utils@gnu.org>.
Be sure to include the word ``sed'' somewhere in the ``Subject:'' field.
 [ test $]

#!/bin/sed  -nf

/Setting application/{ # match this string
         N; # pull in the next line
         /ffff:[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/{p;d}; # if it contains an ip address print and restart processing
         /\nSetting application/!{ 
                # otherwise check it doesn't contain this text
                      s|\n.*||;p;d;# if not, remove the 2nd line, print and restart processing
        }
        P;D # else print then delete only the first part, then restart processing on the next line.
}

awk '/Setting application/{print; k=1; next}; k && /Connected from/; {k=0}' input-file

awk 'k && /Connected from/; k=/Setting application/' input-file