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[bug #30328] Fast echo (with code proposal)

From: anonymous
Subject: [bug #30328] Fast echo (with code proposal)
Date: Mon, 19 Jul 2010 11:01:18 +0000
User-agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; WOW64; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.1; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

Follow-up Comment #3, bug #30328 (project make):

Hi Paul,

> Is it really true that this is an issue?

At least in our build there are "about to do this" and "having done that"
log/trace echo commands in all recipes.

Using Cygwin with its high process creation overhead the proposed change gave
a speedup in the high single-digit procent range.

> it doesn't deal with quotes

As far as I understand quotes make the command look something like 'sh.exe -c
echo ...' while the proposed change checks for 'echo' (without the shell).

> it doesn't manage common options to echo (e.g., "-n")

That's true. But you stated yourself that quoting is the primary issue...

Anyway thanks for your consideration,
Oliver Schmidt - oliv.schmidt(at)sap.com


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