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Full Discussion: Vlookup using awk non similar files
Top Forums Shell Programming and Scripting Vlookup using awk non similar files Post 303015974 by Don Cragun on Tuesday 17th of April 2018 12:39:56 PM
Old 04-17-2018
The following produces the output requested in post #1 from the two input files shown in post #1, but without a clear description explaining the logic that is supposed to be implemented, I have no idea if the actually implements what is desired:
Code:
awk -F'[_-]' '
FNR == NR {
	for(i = 1; i <= NF; i++) {
		tags[tag = tag $i]
		# printf("Added possible tag \"%s\" from \"%s\"\n", tag, $0)
		tag = substr($0, 1, length(tag) + 1)
	}
	tag = ""
	next
}
{	print (($0 in tags) ? "" : "notfound ") $0
}' file2 file1

As always, if you're running this on a Solaris/SunOS system, change awk to /usr/xpg4/bin/awk or nawk.
 

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