Below is the script to process unstructured file
A = LOAD 'input';
B = RANK A;
C = FILTER B BY $0 > 5;
D = FOREACH C GENERATE $1;
DUMP D;
// Data in file
DETAIL REJECT ***CONFIDENTIAL*** 03/11/16
XYZ BANK
PGM NAME:IEWEWDLL EWS HOT UPDATES OF BOKSMREJECT REPORT
RPT IDEN:IEWEWOLL
ST ACTT#FROM EULS CUST NAME REJECTREASON UPD
420 2016031202038346 1 - INVALIDNUMBER CHG