UNIX for Dummies Questions & Answers

dt=`date +%Y%m%d`
SOURCEFILE=DARE_Position[0-9]$dt.csv
SOURCEPATH=/file/mm
INTERRUPT= 
while ! [[ $INTERRUPT = "XXXXXX" ]] && ! [[ -a $SOURCEPATH/$SOURCEFILE ]]
do
echo $SOURCEPATH/$SOURCEFILE missing
sleep 7
INTERRUPT=$INTERRUPT"X"
echo $INTERRUPT
done

find /file/mm -type f -name "Position*${dt}.csv"

dt=`date +%Y%m%d`

dt=$(date +%Y%m%d)

while ! [[ $INTERRUPT = "XXXXXX" ]]
do
INTERRUPT=$INTERRUPT"X"
done

typeset -i INTERRUPT=0              # loop counter
while [[ $INTERRUPT -le  6 ]] ; do
     (( INTERRUPT += 1 ))
     # (( INTERRUPT = INTERRUPT + 1 ))  # alternatively, in long form
done