I have a file (named 'a')which contains following data. ""; 8003 8004 8005 8010 9040 9041 9042 8336 8336 8337 8338 8338 8339 8340 8341 9000 9216 9217 9218 9219 9220 9221 9232 9233 9234 9248 9249 9250 9251 9264 9265 9280 9296 9281 9297 9001 9226 9040 9040 15008 9041 9042 15009 15010 6169 6170 18000 18000
************************************************* And Below is the commands i am executing along with its output with comments. [ussc@lab211 config]$ uniq -d a 8336 8338 //Displaying one duplicate entry But so many duplicate entries are there in file [ussc@lab211 config]$ uniq -D a 8336 8336 8338 8338 //Displaying only two duplicate entry But so many duplicate entries are there in file [ussc@lab211 config]$ uniq -c a 1 ""; 1 8003 1 8004 1 8005 1 8010 1 9040 1 9041 1 9042 2 8336 1 8337 2 8338 1 8339 1 8340 1 8341 1 9000 1 9216 1 9217 1 9218 1 9219 1 9220 1 9221 1 9232 1 9233 1 9234 1 9248 1 9249 1 9250 1 9251 1 9264 1 9265 1 9280 1 9296 1 9281 1 9297 1 9001 1 9226 1 9040 1 9040 1 15008 1 9041 1 9042 1 15009 1 15010 1 6169 1 6170 1 18000 1 18000 //Observe last line which is repeated with its previous line (some other entries are also there)but uniq command not able to find it. Please check it once and let me know if i am wrong. Thanks and Regards, Shahid Hussain Bangalore.