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| From | Ben Bacarisse <ben.usenet@bsb.me.uk> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: [command line arguments] more elegant solution ?? |
| Date | 2016-12-11 20:30 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <871sxew6n8.fsf@bsb.me.uk> (permalink) |
| References | <f5132d7e-048b-4115-ad9e-4f5cfa8533e7@googlegroups.com> <o2k5rm$t8h$1@dont-email.me> |
BartC <bc@freeuk.com> writes: <snip> > (Testing the third argument is a number is the only tricky bit. You > might try converting it to a number using atol, converting back to a > string using sprintf, and comparing that string with argv[2].) That does not always work (as I am sure you know) because there may be leading space, a sign, zeros etc. The simplest "student" solution is probably just sscanf(argv[i], "%d", &num) == 1 For the test you ignore num, but it's likely that a later version will actually use it. A neat use of scanf failing to match input allows you test the whole string: sscanf(argv[i], "%d %c", &num, &ch) == 1 If the number is followed by anything other than white-space characters, the result will be 2 not 1. -- Ben.
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[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
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