[Bug 1596292] [NEW] change in crc32 output breaks scripts

[Peter A. Bigot]

Public bug reported:

Somewhere between 14.04 and 16.04 (probably release 1.51) the crc32
utility started printing extra material when invoked on a single file.

lilith[47]$ crc32 /tmp/foo-F5AF2F94.bin 
f5af2f94	OK
lilith[48]$ /mnt/archive.ro/llc-14.04/usr/bin/crc32 /tmp/foo-F5AF2F94.bin 
f5af2f94

Scripts that have been working for years to confirm that the named and
calculated file CRC32s are consistent break with this change in output.

There is no command-line option to control the new behavior, nor can I
find anywhere its addition was documented.

** Affects: libarchive-zip-perl (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1596292

Title:
  change in crc32 output breaks scripts

Status in libarchive-zip-perl package in Ubuntu:
  New

Bug description:
  Somewhere between 14.04 and 16.04 (probably release 1.51) the crc32
  utility started printing extra material when invoked on a single file.

  lilith[47]$ crc32 /tmp/foo-F5AF2F94.bin 
  f5af2f94	OK
  lilith[48]$ /mnt/archive.ro/llc-14.04/usr/bin/crc32 /tmp/foo-F5AF2F94.bin 
  f5af2f94

  Scripts that have been working for years to confirm that the named and
  calculated file CRC32s are consistent break with this change in output.

  There is no command-line option to control the new behavior, nor can I
  find anywhere its addition was documented.

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