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Full Discussion: How to grep repeated string on the same line?
Top Forums UNIX for Beginners Questions & Answers How to grep repeated string on the same line? Post 303034718 by Don Cragun on Friday 3rd of May 2019 05:07:59 AM
Old 05-03-2019
When you have one line of input and you use grep to throw away the first part of the line and awk to throw away everything after the first <space> in what was left, you're not going to get much but the first value you were looking for.

Getting rid of the unneeded cat, grep, and cut and using awk to do all of what they were doing to get the results you want, you could try something more like:
Code:
awk '
{	for(i = NF; i > 0; i--)
		if($i ~ /^-Xms/) {
			print substr($i, 5)
			exit
		}
}' file.txt

If you really need a case insensitive search for Xms (which isn't needed with your input sample), you could change the start of the if statement to:
Code:
		if($i ~ /^-[Xx][Mm][Ss]/) {

These 2 Users Gave Thanks to Don Cragun For This Post:
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schemagen(1)						      General Commands Manual						      schemagen(1)

NAME

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								    07 Aug 2006 						      schemagen(1)
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