Shell and python script to verify zip file integrity

README.md

Shell and python script to verify zip file integrity

Reference

• $ variables usage, if condition bash loop over file on cyberciti
• if condition test in more detail test exiting value in bash from blog by sanctum
• $?, if condition test check exit status code from linuxcommando

python reference here

• zipfile python-script-to-check-if-a-zip-file-is-corrupt on stackoverflow
• iterate files, glob, os.walk find-all-files-in-directory-with-extension-txt-with-python
• exception, raise exception, clean-up action python error handling

check_zip.py

#! /usr/bin/python

import os
import zipfile

for root, dirs, files in os.walk('.'):
  for file in files:
    if file.endswith('.zip'):
      try:
        zfile = zipfile.ZipFile(file)
      except zipfile.BadZipfile as ex:
        print "%s no a zip file" % file
        continue

      ret = zfile.testzip()

      if ret is not None:
        print "%s bad zip file, error: %s" % file, ret
      else:
        print "%s OK" % file

check_zip.sh

#! /bin/bash
for f in *.zip
do
  zip --test $f 1>/dev/null && echo $f 'OK'
  if (($? > 0)); then
    # use double quote for $f to function
    printf '%s \n' "$f bad file" >&2
  fi
done