UNIX for Dummies Questions & Answers

SIZE_RSI=`grep ^rsi /rsi/logs/csc_summary_size_check.log | tail -1 | cut -d";" -f4 | cut -b1-6`
SIZE_SCR=`grep ^scr /rsi/logs/csc_summary_size_check.log | tail -1 | cut -d";" -f4 | cut -b1-6`
b=$SIZE_RSI
y=$SIZE_SCR
   
SIZE_VORHER_RSI=`grep ^rsi /rsi/logs/csc_summary_size_check.log | tail -2 | cut -d";" -f4 | cut -b1-6`
SIZE_VORHER_SCR=`grep ^scr /rsi/logs/csc_summary_size_check.log | tail -2 | cut -d";" -f4 | cut -b1-6`
c=$SIZE_VORHER_RSI
z=$SIZE_VORHER_SCR

a=0
((a=b\-c))
#a=$(echo "$b-$c"|bc)
#a="$(($b-$c))"
d="$(($a-100000))"
  
if [ "$d" -gt "0" ] ; then
sendme /rsi/logs/csc_summary_size_check.log stefan
fi

x=0
((x=y-z))
#   x="$(($y-$z))"
w="$(($x-100000))"

if [ "$w" -gt "0" ] ; then
sendme /rsi/logs/csc_summary_size_check.log stefan
fi

((x=y-z))

if [ $d -gt 0 ] ; #the fact that you are using greater than means you are comparing Integers  "" is confusing...

 a=0

 let a=0