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Digest::file

Perl 5 version 26.1 documentation
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Digest::file

NAME

Digest::file - Calculate digests of files

SYNOPSIS

  1. # Poor mans "md5sum" command
  2. use Digest::file qw(digest_file_hex);
  3. for (@ARGV) {
  4. print digest_file_hex($_, "MD5"), " $_\n";
  5. }

DESCRIPTION

This module provide 3 convenience functions to calculate the digest of files. The following functions are provided:

  • digest_file( $file, $algorithm, [$arg,...] )

    This function will calculate and return the binary digest of the bytes of the given file. The function will croak if it fails to open or read the file.

    The $algorithm is a string like "MD2", "MD5", "SHA-1", "SHA-512". Additional arguments are passed to the constructor for the implementation of the given algorithm.

  • digest_file_hex( $file, $algorithm, [$arg,...] )

    Same as digest_file(), but return the digest in hex form.

  • digest_file_base64( $file, $algorithm, [$arg,...] )

    Same as digest_file(), but return the digest as a base64 encoded string.

SEE ALSO

Digest