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Full Discussion: Help with specific output
Top Forums Shell Programming and Scripting Help with specific output Post 303012559 by jaapar on Tuesday 6th of February 2018 04:57:07 AM
Old 02-06-2018
Quote:
Originally Posted by RavinderSingh13
Hello jaapar,

Could you please try following and let me know if this helps you.
Code:
awk '{match($0,/HOST=[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/);if(substr($0,RSTART,RLENGTH)){print substr($0,RSTART,RLENGTH)}}'  Input_file

Thanks,
R. Singh
This works like a charm. Thanks Singh!

---------- Post updated at 04:57 AM ---------- Previous update was at 04:56 AM ----------

Quote:
Originally Posted by RudiC
If the only criterion were an IP address in dotted quad to follow the "HOST=" string, then RavinderSingh13's proposal would work fine, although it might be somewhat too cautious.
Code:
awk 'match($0,/HOST=[0-9.]+/) {print substr($0,RSTART,RLENGTH)}'  file
HOST=144.55.11.55

would do the same. But there might be additional criteria, like it should be part of the ADDRESS section, or belong to the tcp PROTOCOL, or have a certain PORT set...?
This works fine, thanks Rudy!!!
 

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diff3

DIFF3(1)                                                           User Commands                                                          DIFF3(1)

NAME

       diff3 - compare three files line by line

SYNOPSIS

       diff3 [OPTION]... MYFILE OLDFILE YOURFILE

DESCRIPTION

       Compare three files line by line.

       Mandatory arguments to long options are mandatory for short options too.

       -A, --show-all
              output all changes, bracketing conflicts

       -e, --ed
              output ed script incorporating changes from OLDFILE to YOURFILE into MYFILE

       -E, --show-overlap
              like -e, but bracket conflicts

       -3, --easy-only
              like -e, but incorporate only nonoverlapping changes

       -x, --overlap-only
              like -e, but incorporate only overlapping changes

       -X     like -x, but bracket conflicts

       -i     append 'w' and 'q' commands to ed scripts

       -m, --merge
              output actual merged file, according to -A if no other options are given

       -a, --text
              treat all files as text

       --strip-trailing-cr
              strip trailing carriage return on input

       -T, --initial-tab
              make tabs line up by prepending a tab

       --diff-program=PROGRAM
              use PROGRAM to compare files

       -L, --label=LABEL
              use LABEL instead of file name (can be repeated up to three times)

       --help display this help and exit

       -v, --version
              output version information and exit

       The default output format is a somewhat human-readable representation of the changes.

       The -e, -E, -x, -X (and corresponding long) options cause an ed script to be output instead of the default.

       Finally,  the  -m  (--merge)  option causes diff3 to do the merge internally and output the actual merged file.  For unusual input, this is
       more robust than using ed.

       If a FILE is '-', read standard input.  Exit status is 0 if successful, 1 if conflicts, 2 if trouble.

AUTHOR

       Written by Randy Smith.

REPORTING BUGS

       Report bugs to: bug-diffutils@gnu.org
       GNU diffutils home page: <http://www.gnu.org/software/diffutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>

COPYRIGHT

       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       cmp(1), diff(1), sdiff(1)

       The full documentation for diff3 is maintained as a Texinfo manual.  If the info and diff3 programs are properly installed  at  your  site,
       the command

              info diff3

       should give you access to the complete manual.

diffutils 3.6                                                        May 2017                                                             DIFF3(1)
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