[Bug 1547466] Re: grep switches into binary mode while processing a text file

[Brian Murray]

** Changed in: grep (Ubuntu)
     Assignee: (unassigned) => Martin Pitt (pitti)

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Title:
  grep switches into binary mode while processing a text file

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I noticed this staring to happen in Xenial about two days ago. When
  running sbuild (or now the buildd, too), the build breaks when trying
  to compile a generated file. I traced the problem down to grep
  suddenly acting weird. When not having any language set (or a non-UTF8
  mode) it will start printing some lines of a source file and then
  suddenly end that by printing "Binary file ... matches".

  With the attached file, the difference can be observed (running
  Xenial):

  LANG=C grep -v xxx grant_table.h

  and

  LANG=C.UTF-8 grep -v xxx grant_table.h

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