Verify a checksum manifest

The Bash script verify_manifest verifies a checksum manifest of a folder. The program is part of Bash AVpres, released under a 3-Clause BSD License and provided “as is” without warranty or support of any kind.

Documentation

A short help message is embedded into the script:

$ verify_manifest -h
Usage:
  verify_manifest -i <input_path> [-m <input_manifest>]
  verify_manifest (-h|-x)
Options:
  -i  input folder or file
  -m  manifest file (default is '<input_path>_md5.txt')
  -h  this help
  -x  advanced options with their default arguments
Dependency:
  md5sum (default), sha1sum, sha256sum or sha512sum
See also:
  https://avpres.net/Bash_AVpres/
About:
  Abstract: Verify a checksum manifest of a folder or file
  Version:  2020-09-26
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2020–09–26