[ale] Bash script question

[Geoffrey]

Geoffrey wrote:
> Bob Kruger wrote:
> 
>>All;
>>
>>I need to parse some simple text files.  I would like to do this in
>>the BASH shell and not have to invoke Perl, AWK, etc.  I did the same
>>a couple of years ago, but lost the code.
>>
>>If I have a text file that has, for example, 6 lines, and I want to
>>parse field in the 4th line, what can I run from the BASH shell to
>>print out only the 4th line?
> 
> 
> sed -n '4p' text_file
> 
> tail -4 text_file|line
> 
> head  -n4 text_file|tail -1
> 
> awk '{if (NR == 4) {print; exit}}' text_file

Here's a another, but we are getting a bit esoteric...

ed -s <<- END text_file
4p
END

-- 
Until later, Geoffrey