Shell Programming and Scripting

<#!/bin/sh
dt = date '+%y%m%d'members;
echo $dt+|+members+$dt;
/usr/bin/awk -f
BEGIN { FS="|"; OFS="|"; } { print $1,$2,$5};>

#!/bin/bash

v_file="abcd.txt"
v_date="$( date +%Y%m%d )"
v_memb="${v_file%.*}"
v_memb="${v_memb}${v_date}.txt"

while read line
do
        echo "${v_date}|${v_memb}${line}"
done < "$v_file"

20130807|abcd20130807.txtFN|LN|DOB|ADDRESS|ZIP

#!/usr/bin/awk -f
BEGIN {system("date '+%d%m%Y''|abcd.")system("date '+%d%m%Y'.txt");FS="|"; OFS="|"; } { print $1,$2,$3,$6,$5};

07082013|abcd
07082013.txt
FN|LN|DOB|ADDRESS|ZIP

awk -v DT="$(date +%Y%m%d)" '{print DT,"abcd"DT".txt"$0}' OFS=\| abcd.txt

20130807|abcd20130807.txtFN|LN|DOB|ADDRESS|ZIP