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Both those solutions give this for the list line:

tagId=128, length=32, value=[ 34 67 23 65 21 87 45 98 34 31 30 33 31 3031 34 35 31 5f 90 30 38 30 35 38 30 34]

Fixes:
sed...

Funny but the above didn't work for me I needed the following:

awk -F, '!a[$1,$2,$3]++'

Note: extra commas are to avoid false match between "aa,b,c" and "a,ab,c" or ",a,b" and "a,,b"

I guess no need of "echo" here.

x2=${x1##* }

Another way,

expr "$x1" : '.* \(.*\)'

Sorry to be pedantic yinyuemi, but it now misses the last word on each line change n<NF to n<=NF

---------- Post updated at 11:56 AM ---------- Previous update was at 11:33 AM ----------

And,...

@yinyuemi, to remove those 4 zeroes the parentheses are not required...
sed 's/0\{4\}//'
or just
sed s/0000//

Y, your revised solution works for me now but it dosn't work for this


lookupslowball
slowly
play
child
quick
slow
not
put
the
boy
ran
ly
is

theboyranthroughslowly...

for fsrc in *.txt; do
fdst="${fsrc#*_}"
fdst="${fdst%_*}.txt"
mv "$fsrc" "$fdst"
done

Regards,
Alister

---------- Post updated at 02:28 PM ---------- Previous update was at...

just be aware that the 'ARGIND' is a GNU-specific extension not available in other awk-s.

A better 'paradigm' is:

FNR==NR {a[$1]=$2;next}

sed -n '
/^START:/ {
h
:next
n
H
/^END/ {
/^END (VIO)/ {g; p;}
d
}
b next
}' filenameRegards,
Alister