Shell Programming and Scripting

temp=`date '+%d'`
temp=`expr $temp - 1`
echo subscriber.log.`date +%Y-%m-`$temp

#!/bin/sh.
temp=`date '+%d'`
temp=`expr $temp - 1`
filename='echo subscriber.log.`date +%Y-%m-`$temp'
more $filename| grep Purchase subscriber.log > dacha
ftp -v -n "10.15.20.245" <<cmd
user "fun" "fun"
send dacha
quit
cmd

#!/bin/sh.
temp=`date '+%d'`
temp=`expr $temp - 1`
more subscriber.log.`date +%Y-%m-`$temp | grep Purchase subscriber.log.`date +%Y-%m-`$temp > dacha
ftp -v -n "10.15.20.245" <<cmd
user "fun" "fun"
send dacha
quit
cmd