Rename files

rename.sh

filter=*.out
from=.out
to=.zip
dryRun=false

for file in ./$filter
do
    if [[ -f $file ]]; then
    
        targetName=${file/$from/$to}

        if [ $dryRun = true ]; then
            echo "mv $file $targetName"
        else
            mv $file $targetName
            echo "Changed $file to $targetName"
        fi
        
    fi
done