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Author Re: newbie question:extract last argument in a line when number of
Stefan Lagotzki

2004-03-19, 8:23 pm

yaniv asked:
> I need to extract the last argument of a given line, when number of
> arguments in line is unkown.

The number of fields is not unknown, you may search the awk-manual for
"Built-in Variables" --> NF.

stefan2@platon:~/test> awk '{print $NF}' << EOF
> 1 2 3 4
> 1 2 3
> 1 2
> 1
> EOF
4
3
2
1

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