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How To Check The Length Of A Response From User

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Actually, the root of the problem is: I'm trying to figure out a way in C to read in a 24-hour-clock time, and add it to a 24-hour-clock duration. This book can be used in several ways: - as a learning exercise. - to complement a university course. - as a reference to keep on your desk. This is working fine if you providing an input, it is better to change your code as follows: public class Strings { public static void main(String[] args) { Scanner sc = How was Jacob able to use the eggs as collateral? Source

I can't just check the length of the lvlinput string because it's an array, so How could I make sure the user entered three digits? Yes :) #!/bin/bash read string if [ ${#string} -ge 5 ]; then echo "error" ; exit else echo "done" fi share|improve this answer answered Jul 17 '14 at 18:05 nwildner 7,6492353 XOR two monochrome images Do I need knowledge of American culture and history to enjoy Forrest Gump? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://stackoverflow.com/questions/27651772/check-length-of-user-input

C Fgets

What does the line "So long and thanks for all the fish!" mean? He could init the char array to all '\0' and add a check for \n on each read, but IMHO it's far better to use fgets and simply be done with for example i check a list of directories to see if they exist and I want to display an OK or FAILED in the output. What was Admiral Ackbar's name?

or PhD applications in sciences/engineering? You can try old good KSH/SH/Bash command as follows which should work with any UNIX-likeo operating systems such as FreeBSD, OpenBSD, Solaris, IBM AIX, HP-UX and more:myVar="nixcraft" echo "${#myVar}"myVar="nixcraft" echo "${#myVar}"Sample If you want to stay away from std::string (and there isn't any particular reason why you should in this case), then you should just convert the string to an integer, and Jquery From the Author This book is meant as an entry point into the Symbian OS C++ development ecosystem.

How can I avoid being "the negative one" when giving feedback on statistics? If I input 3, it breaks. Are you forgetting to type something into the console? read this post here share|improve this answer edited Dec 26 '14 at 0:32 answered Dec 26 '14 at 0:19 Padraic Cunningham 113k962119 add a comment| Your Answer draft saved draft discarded Sign up or

What is the best way to handle hundreds of attacks? What should I be aware of when hiring a car from one of the cheaper rental firms in Spain? Is there something similar to Gödel's incompleteness theorems in physics? share|improve this answer answered Jul 3 '09 at 20:05 Nick Presta 19.2k54064 I don't need to make it three digits long, I just need to check if the user

Strlen C

asked 7 years ago viewed 5954 times active 7 years ago Blog Stack Overflow Podcast #98 - Scott Hanselman Is Better Than Us at Everything Benefits for Developers from San Francisco http://stackoverflow.com/questions/1080652/how-to-check-the-length-of-an-input-c asked 3 years ago viewed 15003 times active 1 year ago Blog Stack Overflow Podcast #98 - Scott Hanselman Is Better Than Us at Everything Benefits for Developers from San Francisco C Fgets How to deobfuscate suspicious JavaScript code? Javascript String Length Can political debates really work?

Why not use the $('#ID') syntax? –Evan Larkin Apr 24 '10 at 1:47 add a comment| 2 Answers 2 active oldest votes up vote 71 down vote accepted That doesn't work http://wikisky.net/how-to/new-user-account.html more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed c++ string share|improve this question edited Jul 3 '09 at 20:06 ralphtheninja 49.3k86183 asked Jul 3 '09 at 19:58 user98188 Why can't you check the len of the string? Hot Network Questions How to cope with lack of offline maps for Cairo How was the red coat in Schindler's List created? Javascript Substring

The precise data validation is up to the OP. this code worked for me..echo " enter thestring" read str len=`expr length $str` echo "Length is $len". A clue is needed to solve a rebus puzzle Can you theoretically hold more of a volume of water the colder it is? have a peek here more hot questions question feed lang-c about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation

He is a member of the executive board of New York PHP, and has been looking for new ways to build scriptable, linked, multimedia content since he saw his first Hypercard Does C check if a pointer is out-of-bound without the pointer being dereferenced? The latter writes the input to a char array, while the former writes to a proper string.

While reading GNU expr command man page I found an interesting option as follows:

expr length STRINGFor example display the length of "nixcraft" word/string, enter:expr length "nixcraft"expr length "nixcraft"OR set it

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As more and more developers realize the huge opportunities available designing with Symbian OS, one of the first major obstacles they face is the sheer length of time it takes to Why can't we remove the sqrt from rms? Unix & Linux Stack Exchange works best with JavaScript enabled ≡ MenuHomeHowtos and TutorialsLinux Shell Scripting TutoriaLAboutRSS/FeedDonationsnixCraftLinux Tips, Hacks, Tutorials, And Ideas In Blog FormatBash/KSH/SH Shell: Find The Length Of a Check This Out Reply Link seerum June 25, 2009, 10:10 amuse length=`expr length $string` it will work Reply Link Will July 3, 2009, 12:49 amI am trying to create a string that will allow

TeX capacity exceeded Strange pattern in standard deviation confidence interval estimation via bootstrapping How do telescopic series work in general and in this specific problem? How can I avoid being "the negative one" when giving feedback on statistics? Backspace-and-retype a list of words Why didn't the original Death Star's shields protect against small fighters? java string share|improve this question edited Feb 6 '15 at 12:34 jurgemaister 4,19852749 asked Sep 3 '13 at 4:45 Eric Grube 1111 closed as unclear what you're asking by Adrian Shum,

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China's Fanhui Shi Weixing) re-enter the atmosphere narrow end (nose)-first? I am running a validation an have many for loops with various variable lengths being returned. for example i check a list of files to see if they exist and I want to display an OK or FAILED in the output. How to destroy a Palantír Formatting blank, labelled lines in a form What Exactly Is Minimum Connection Time?