Bash script for OS X to check md5 values of the downloaded zip files.

gdelt_md5check.sh

#!/bin/bash
for file in $1*
do
    genhash=`md5 "$file" | tail -c 33`
    if grep -q "$genhash" "$2"; then
        echo Found hash for "$file"
    else
        echo Did not find hash for "$file"
    fi
done