Request to check:count specific entries

Hi all

I have an input file which contains so many entries like this: And, I want to count hw many among ASN in one column are converted to LYS in third coulmns. which means output shuld contain only "ASN number LYS"

Kindly let me know wny programm for this

My input is

ASN 217 LYS 
VAL 156 MET 
THR 254 ILE 
GLY 153 SER 
SER 269 ILE 
VAL 249 PHE 
VAL 285 ILE 
PHE 233 VAL 
PHE 256 LEU 
VAL 132 LEU 
CYS 418 TRP  
ARG 254 LEU  
ARG 313 TRP 
VAL 266 MET
LEU 263 MET
SER 268 PHE 
PRO 250 GLN 
GLU 59 LYS 
TRP 57 TER
PHE 74 LEU
ARG 443 TER 
LEU 42 PRO  
ILE 58 LYS
THR 264 PRO
LEU 269 PHE

I want output shuld contain all series of different numbers but same ASN and LYS in one row.

ASN number LYS
ASN number LYS
ASN number LYS

grep 'ASN [0-9]* LYS' inputfile

To get the count, use grep's -c switch.

Hi Balaje,

Thanks for reply. Its working well. Thanks a lot.