test dossier ou fichier exist

backup=/backups/${sid_oracle}/cold/

if [ ! -d ${backup} ]; then
mkdir ${backup}
else
rm -f ${backup}*
fi

FILE=/etc/resolv.conf
if test -f "$FILE"; then
    echo "$FILE exist"
fi

FILE=/etc/resolv.conf
if [ -f "$FILE" ]; then
    echo "$FILE exist"
fi

FILE=/etc/resolv.conf
if [[ -f "$FILE" ]]; then
    echo "$FILE exist"
fi

FILE=/etc/resolv.conf
if [ -f "$FILE" ]; then
    echo "$FILE exist"
else 
    echo "$FILE does not exist"
fi