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awk '$0!=dup; {dup=_} /WARNING/{dup=$0}' file

Hello andy391791,

Following may help you in same.

awk '{gsub("\n[^\n]*/",","); #### gsub, it's an awk's in-built keyword which is used for global substitutions, it's format is...

It is not restricted to AIX. The standards explicitly state that the input Record Separator is the 1st character or the string assigned to RS and the results are unspecified if the string assigned...

The RS= is an initial variable assignment before opening the file.
The main loop only has the condition NR%2==0 where the default action is {print}.

Hello andy391791,

You could add a space in field separator else it will have spaces in the starting of the last field or 2nd field, so following should do the trick.

awk -F"= " '{print...

If you do not supply a pattern the DEFAULT pattern is TRUE (or match every line)
'{x[$0]++}'
The action is performed, however, that action is not a program that would display any of it.
You can...

I sincerely apologize. I haven't been getting enough sleep lately.

It looks like Corona688 and MadeInGermany have mostly cleaned up my mess. I sincerely thank both of them for correcting my...

Greedy means earlier parts of the regex "win", they will match as far as they can. They'll only ever give it up when the rest of the expression fails to match. So the first .* matches all the way...

The .* is greedy, that means it consumes as many characters as possible - while the other conditions are still met.
If there are two .* then the leftmost is most greedy.

Please ignore this post. I obviously needed to get some sleep before I posted it.

OK. I know that you already understand it, but just to be clear, the \1 in the replacement string expands to the...

You mean like so?
sed 's/.*\(-.*-\).*/\1/'

Better would be:
sed 's/.*\(-[^-]*-\).*/\1/'


--
With GNU grep:
grep -o -- '-[^-]*-'


--edit--
First answer above already provided by...

What about:

echo "Date range on 5th May is between -010516 and 050516- please continue " | sed 's/.*\(-.*-\).*/\1/'

On AIX 7.1, try that script using ksh93 instead of ksh.