git/list[1] front-page[2] threads[3] people[4] search[5] about
 

Re: test suite failures because cmp behaves oddly

From
Junio C Hamano <junkio@cox.net>
Date
Feb 17, 2007, 23:03 UTC
Message-ID
<7v3b54s7y3.fsf@assigned-by-dhcp.cox.net>
In-Reply-To
<200702172225.12758.johannes.sixt@telecom.at>
Johannes Sixt <johannes.sixt@telecom.at> writes:
Show 10 quoted lines
> Does anyone know how 'cmp' can signal success when its output is redirected 
> to /dev/null, even if the compared files are different?
>
> $ cmp M.sum actual7.sum; echo $?
> M.sum actual7.sum differ: char 20, line 2
> 1
> $ cmp M.sum actual7.sum > /dev/null; echo $?
> 0
> ...
> Has anyone seen something like this?

I vaguely recall this reported long time ago from one of the regulars on the list, but googling or gmane search came up empty.

Previous: Johannes SixtNext: Johannes Schindelin
Message 2 of 3 in “test suite failures because cmp behaves oddly”
  1. Johannes SixtFeb 17, 2007
  2. Junio C HamanoFeb 17, 2007
  3. Johannes SchindelinFeb 17, 2007

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.