select unique

bang_dba · November 7, 2011, 1:09am

hi,

#cat /u01/file|grep -v "^#"|cut -f2 -d: -s

i want to avoid repeated lines from the output of the above command.

Do we have anyting like unique in shell scripting.

thx

Scrutinizer · November 7, 2011, 1:15am

Hi, see man uniq

muralikri · November 7, 2011, 1:16am

Try this.......

uniq test1.txt

bang_dba · November 7, 2011, 1:18am

thank u

jayan_jay · November 7, 2011, 1:20am

To customize ..

$ nawk -F: '!/^#/ {print $2|"uniq"}' /etc/oratab
/u01/oracle/db1