Script Needed!!!!!!!! Urgent


 
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# 1  
Old 09-06-2007
Script Needed!!!!!!!! Urgent

How to find unique lines in a file without using 'uniq' and 'sort' command in k shell...
# 2  
Old 09-07-2007
jks@LILO:~/prac$ cat flo
this is line1
this is line2
this is line3
this is line2
this is line2
this is line5

in place of "uniq" I can use awk, but sort, I have to use :-)

jks@LILO:~/prac$ cat flo | sort | awk 'X !~ $0; {X=$0}'
this is line1
this is line2
this is line3
this is line5
# 3  
Old 09-07-2007
Try:
Code:
 awk '!($0 in a) {a[$0];print}'  file

# 4  
Old 09-07-2007
Quote:
Originally Posted by aajan
How to find unique lines in a file without using 'uniq' and 'sort' command in k shell...
you teacher has put these restrictions for your assignment?
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