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Find 2 expressions then print in a single line

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# 1  
Old 12-13-2012
Find 2 expressions then print in a single line
Guys, need help.

I have a file that contains something like this:

Code:
abc
def
ghi
jkl

I want to print the first and last line of the file and the output should be in a single line.

so, output should be like this:
Code:
abc jkl

Last edited by Scott; 12-13-2012 at 11:52 AM.. Reason: Code tags
# 2  
Old 12-13-2012
try:
Code:
awk 'NR==1 {printf $0" "}END {print}' infile

This User Gave Thanks to rdrtx1 For This Post:
solidhelix08
# 3  
Old 12-13-2012
It worked!

Moreover, can I add a pattern on that code?
e.g
3 files

Code:
abc
def
ghi
jkl

Code:
123
456
789
jkl

Code:
abc
def
ghi
123

Can I print only the files that contains 'jkl' on the end?

output:

Code:
abc jkl
123 jkl

Thanks for the quick response
Last edited by Scott; 12-13-2012 at 11:52 AM.. Reason: Code tags
# 4  
Old 12-13-2012
try also:
Code:
awk '$NF ~ /jkl/ {print $1,$NF}' RS= file1 file2 file3

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