Rename Images

rename-photos-by-date.py

#!/usr/bin/python
import os, sys

def getDateTime(imPath):## output sample: '2005:01:01_12:02:16'
    if not os.path.exists(imPath):
        print 'Error: Image file \''+imPath+'\' dose not exit!'
        sys.exit(1)
    if os.path.isdir(imPath):
        print 'Error: \''+imPath+'\' is a directory!'
        sys.exit(1)
    try:
        exif = os.popen('/usr/bin/exif \''+imPath+'\'').read()
    except:
        print 'Error: Command \'exif\' is not installed. Install it then run this script.'
        sys.exit(1)
    for line in exif.split('\n'):
        if len(line)>13:
            if line[:13]=='Date and Time':
                dt=line.split('|')[1]
                dtl=len(dt)
                for i in range(dtl-1):
                    if not dt[dtl-i-1] in (' ',chr(32)):
                        break
                return dt[:dtl-i].replace(' ','_')
    return ''

if __name__=='__main__':
    if len(sys.argv)<2:
        print 'What to do?'
        sys.exit(1)
    fileList=[]
    for arg in sys.argv[1:]:
        if not os.path.exists(arg):
            print 'Error: \''+arg+'\': no such file or directory!'
        if arg[-1]=='/':
            argNS=arg[:-1]
        else:
            argNS=arg
        try:
            fileList += [argNS+'/'+f for f in os.listdir(argNS)]
        except:
            fileList += argNS
    for name in fileList:
        dateTime=getDateTime(name)
        if dateTime!='':
            newName=os.path.dirname(name)+'/'+dateTime+os.path.splitext(name)[-1]
            os.rename(name, newName)
            #print newName

rename-photos-by-md5sum-size.sh

#!/bin/bash
for fpath in "$@" ; do
    #echo $fpath
    if [ ! -f "$fpath" ] ; then
        continue
    fi
    fpathAbs=`dirname "$fpath"`
    direc="${fpathAbs%/*}"
    fname="${fpath##*/}"
    fnameNox="${fname%.*}"
    if [ "$fnameNox" = "icon" ] ; then
        continue
    fi
    ext="${fpath##*.}"
    sum=$(md5sum "$fpath") && \
    size=`du -b "$fpath" | awk '{print $1}'` && \
    psize=`printf '%.7d\n' $size` && \
    newName="$psize-${sum:0:5}.$ext" && \
    if [ "$newName" = "$fname" ] ; then
        continue
    fi
    echo "$newName  <-  $fname" && \
    mv "$fpath" "$direc/$newName"
done