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Re: [Axiom-developer] Testing build-improvements
From: |
Gabriel Dos Reis |
Subject: |
Re: [Axiom-developer] Testing build-improvements |
Date: |
22 Nov 2006 19:41:47 +0100 |
"Page, Bill" <address@hidden> writes:
[...]
| > |
| > | chunk=`echo -n "$arg"`
| >
| > this one is one needed.
| >
|
| That is not what you wrote originally in your patchlet.
I think I wrote:
! if test -n "$arg"; then
! chunk=`echo -n $arg`
|
| > |
| > | But I think "quotes" are only needed on argments to external
| > | commands like 'test', not on variable assignments or echo.
| >
| > Well, my shell (Zsh) is unhappy with the form chunk="$arg", when
| > chunk is used later with -R.
| >
|
| That's very odd. $chunk is just a variable.
Yes, I know $chunkis just a variable; that the behaviour is odd,
probably. Can I do something about it? Yes. Is the work-around
yucky? Yes.
| To use it with -R
| as a parameter to notangle I would recommend the following quotes:
|
| notangle "-R$chunk"
|
| because notangle is an external command.
|
| All of these forms behave identically in my tests using bash
| provided that all parameters to external commands are properly
| quoted.
|
| Perhaps "3.1: Why does `$var' where `var="foo bar"' not do what
| I expect?" in
|
| http://www.faqs.org/faqs/unix-faq/shell/zsh
|
| might help?
|
| I fear you are heading for "quote hell" if you do not have the
| exact semantics of the shell for which you are designing the
| scripts.
-- Gaby
- RE: [Axiom-developer] Testing build-improvements, (continued)
- RE: [Axiom-developer] Testing build-improvements, Page, Bill, 2006/11/22
- Re: [Axiom-developer] Testing build-improvements, Gabriel Dos Reis, 2006/11/22
- RE: [Axiom-developer] Testing build-improvements, Page, Bill, 2006/11/22
- Re: [Axiom-developer] Testing build-improvements, Gabriel Dos Reis, 2006/11/22
- RE: [Axiom-developer] Testing build-improvements, Page, Bill, 2006/11/22
- Re: [Axiom-developer] Testing build-improvements, Gabriel Dos Reis, 2006/11/22
- RE: [Axiom-developer] Testing build-improvements, Page, Bill, 2006/11/22
- Re: [Axiom-developer] Testing build-improvements, Gabriel Dos Reis, 2006/11/22
- RE: [Axiom-developer] Testing build-improvements, Page, Bill, 2006/11/22
- RE: [Axiom-developer] Testing build-improvements, Page, Bill, 2006/11/22
- Re: [Axiom-developer] Testing build-improvements,
Gabriel Dos Reis <=
- Re: [Axiom-developer] Testing build-improvements, Waldek Hebisch, 2006/11/22
- Re: [Axiom-developer] Testing build-improvements, Gabriel Dos Reis, 2006/11/22
- Re: [Axiom-developer] Testing build-improvements, Gabriel Dos Reis, 2006/11/22