Mac Screenshot and Images Renamer: Run with the command line or via Alfred to give your images better titles.

screenshot-renamer.sh

#!/bin/bash
cd /Users/markkoester/Desktop/
clipboard=''
NL=$'\n'
for f in Screenshot*.png ; do
    if [ -f "$f" ]
        then
 	        filedatetime=$(stat -f '%Sm' -t '%Y%m%d%H%M.%S' "$f")
            mv "$f" $filedatetime.png
            # $(exiftool -d "%Y%m%d%H%M.%S" -CreateDate "$f" | awk '{print $4".png"}')"
            clipboard="${clipboard}${NL}${filedatetime}.png"
   fi
done
for f in Screen*.png ; do
    if [ -f "$f" ]
        then
            filedatetime=$(stat -f '%Sm' -t '%Y%m%d%H%M.%S' "$f")
            mv "$f" $filedatetime.png
            # $(exiftool -d "%Y%m%d%H%M.%S" -CreateDate "$f" | awk '{print $4".png"}')"
            clipboard="${clipboard}${NL}${filedatetime}.png"
   fi
done
for f in Screenshot*.jpg ; do
    if [ -f "$f" ]
        then    
            filedatetime=$(stat -f '%Sm' -t '%Y%m%d%H%M.%S' "$f")
            mv "$f" $filedatetime.png
            clipboard="${clipboard}${NL}$filedatetime.jpg"
    fi
done
for f in IMG_*.jpg ; do
    if [ -f "$f" ]
        then  
            filedatetime=$(stat -f '%Sm' -t '%Y%m%d%H%M.%S' "$f")
            mv "$f" $filedatetime.png
            clipboard="${clipboard}${NL}$filedatetime.png"
    fi
done
for f in IMG_*.JPG ; do
    if [ -f "$f" ]
        then
            filedatetime=$(stat -f '%Sm' -t '%Y%m%d%H%M.%S' "$f")
            mv "$f" $filedatetime.png
            clipboard="${clipboard}${NL}$filedatetime.png"
    fi
done
for f in IMG_*.PNG ; do
    if [ -f "$f" ]
        then
            filedatetime=$(stat -f '%Sm' -t '%Y%m%d%H%M.%S' "$f")
            mv "$f" $filedatetime.png
            clipboard="${clipboard}${NL}$filedatetime.png"
    fi
done
echo "$clipboard" | pbcopy