Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
| From | Lew Pitcher <lew.pitcher@digitalfreehold.ca> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: [command line arguments] more elegant solution ?? |
| Date | 2016-12-11 19:02 -0500 |
| Organization | The Pitcher Digital Freehold |
| Message-ID | <o2kpc1$rbg$1@dont-email.me> (permalink) |
| References | <f5132d7e-048b-4115-ad9e-4f5cfa8533e7@googlegroups.com> <o2k5rm$t8h$1@dont-email.me> <871sxew6n8.fsf@bsb.me.uk> <o2ko86$jgi$1@dont-email.me> |
On Sunday December 11 2016 18:43, in comp.lang.c, "BartC" <bc@freeuk.com>
wrote:
[snip]
> But there is one thing that only occurs under Linux that could screw
> things up (not here because there will be at least two other files).
>
> If the 3rd parameter is *, and there happens to be one file in the
> directory with a numeric name, such as 9177, that will then appear as a
> valid argument. (You may have noticed a big thread in the python group
> about this.)
Bart, as has been explained elsewhere, in more detail and in more polite
language, your statement above is at best misleading, and at worst untrue.
Witness:
18:55 $ ls | wc -l
157
That's 157 files and directories in the current directory, including the
source code Args.c
18:55 $ cat Args.c
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
int argnum;
printf("argc == %d\n",argc);
for (argnum = 0; argnum < argc; ++argnum)
printf("argv[%d] -> \"%s\"\n",argnum,argv[argnum]);
return EXIT_SUCCESS;
}
Simple program, wot? Just prints argc, and each given argument
18:55 $ cc -o Args -mtune=native -Wall -std=c99 -pedantic Args.c
Compiles clean to C99 standards
18:55 $ Args '*'
argc == 2
argv[0] -> "Args"
argv[1] -> "*"
Oops.... Passed * as argument, got * as argument.
I said "at best, misleading", because you neglect to mention that, in Unix,
globbing (expansion of wildcard parameters into filenames) is something done
by the shell, not by the C runtime and (usually) not by the C program. It can
be enabled or disabled on demand.
Please don't mislead the newbies.
[snip]
--
Lew Pitcher
"In Skills, We Trust"
PGP public key available upon request
Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 07:56 -0800
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-11 16:47 +0000
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 09:16 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 09:26 -0800
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-11 19:05 +0000
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 11:15 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 11:53 -0800
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-11 20:03 +0000
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 12:26 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 12:33 -0800
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-11 20:33 +0000
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 12:35 -0800
Re: [command line arguments] more elegant solution ?? "James R. Kuyper" <jameskuyper@verizon.net> - 2016-12-11 16:06 -0500
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 13:11 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 13:20 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 13:25 -0800
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-11 21:32 +0000
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 13:44 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 13:47 -0800
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-11 21:56 +0000
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 14:04 -0800
Re: [command line arguments] more elegant solution ?? Robert Spanjaard <spamtrap@arumes.com> - 2016-12-11 23:07 +0100
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 14:15 -0800
Re: [command line arguments] more elegant solution ?? Robert Spanjaard <spamtrap@arumes.com> - 2016-12-11 23:32 +0100
Re: [command line arguments] more elegant solution ?? jameskuyper@verizon.net - 2016-12-11 14:42 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 14:52 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 14:40 -0800
Re: [command line arguments] more elegant solution ?? jameskuyper@verizon.net - 2016-12-11 14:55 -0800
Re: [command line arguments] more elegant solution ?? "James R. Kuyper" <jameskuyper@verizon.net> - 2016-12-11 19:44 -0500
Re: [command line arguments] more elegant solution ?? Richard Heathfield <rjh@cpax.org.uk> - 2016-12-11 23:20 +0000
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 15:28 -0800
Re: [command line arguments] more elegant solution ?? jameskuyper@verizon.net - 2016-12-11 16:28 -0800
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-11 18:57 +0000
Re: [command line arguments] more elegant solution ?? Barry Schwarz <schwarzb@dqel.com> - 2016-12-11 10:04 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 11:25 -0800
Re: [command line arguments] more elegant solution ?? BartC <bc@freeuk.com> - 2016-12-11 18:29 +0000
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 11:25 -0800
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-11 20:30 +0000
Re: [command line arguments] more elegant solution ?? BartC <bc@freeuk.com> - 2016-12-11 23:43 +0000
Re: [command line arguments] more elegant solution ?? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2016-12-11 19:02 -0500
Re: [command line arguments] more elegant solution ?? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2016-12-11 19:13 -0500
Re: [command line arguments] more elegant solution ?? BartC <bc@freeuk.com> - 2016-12-12 00:55 +0000
Re: [command line arguments] more elegant solution ?? BartC <bc@freeuk.com> - 2016-12-12 01:02 +0000
Re: [command line arguments] more elegant solution ?? Keith Thompson <kst-u@mib.org> - 2016-12-11 19:02 -0800
Re: [command line arguments] more elegant solution ?? BartC <bc@freeuk.com> - 2016-12-12 11:50 +0000
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-12 13:46 +0000
Re: [command line arguments] more elegant solution ?? BartC <bc@freeuk.com> - 2016-12-12 14:43 +0000
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-12 22:09 +0000
Re: [command line arguments] more elegant solution ?? Keith Thompson <kst-u@mib.org> - 2016-12-12 08:58 -0800
Re: [command line arguments] more elegant solution ?? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2016-12-11 20:06 -0500
Re: [command line arguments] more elegant solution ?? jameskuyper@verizon.net - 2016-12-11 17:37 -0800
Re: [command line arguments] more elegant solution ?? Keith Thompson <kst-u@mib.org> - 2016-12-11 18:59 -0800
Re: [command line arguments] more elegant solution ?? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-12-12 02:47 +0000
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-11 15:11 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-12 00:25 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-12 00:27 -0800
Re: [command line arguments] more elegant solution ?? Barry Schwarz <schwarzb@dqel.com> - 2016-12-12 01:01 -0800
Re: [command line arguments] more elegant solution ?? Dexterr <dejangru@gmail.com> - 2016-12-12 09:42 -0800
Re: [command line arguments] more elegant solution ?? "James R. Kuyper" <jameskuyper@verizon.net> - 2016-12-12 13:58 -0500
Re: [command line arguments] more elegant solution ?? Barry Schwarz <schwarzb@dqel.com> - 2016-12-12 14:18 -0800
csiph-web