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Mr. Ken
Guest
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 Posted: Mon Jul 24, 2006 9:10 am Post subject: How do I concatenate three strings? |
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In my function, my main calls a function to save the data. In script-based
languages like
matlab, I can use multiple in strcat. However, in C++ it's not working since
first argument
of strcat must be the destination.
How can I get arround?
main{
.....
fname = "_0100_0211"; // from somewhere
save_messages(......, char fname);
.....
return (0);
}
function save_messages(......, char fname[100])
{
fname = strcat("MSG_INP_", fname, ".DAT");
fp = fopen(fname, "w");
blah blah
fclose(fp);
fname = strcat("MOD_OUT_", fname, ".DAT");
fp = fopen(fname, "w");
blah blah
fclose(fp);
.....
....
} |
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Ian Collins
Guest
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| Posted: Mon Jul 24, 2006 9:10 am Post subject: Re: How do I concatenate three strings? |
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Mr. Ken wrote:
| Quote: | In my function, my main calls a function to save the data. In script-based
languages like
matlab, I can use multiple in strcat. However, in C++ it's not working since
first argument
of strcat must be the destination.
How can I get arround?
Use std::string rather that C style "strings". |
You can concatenate strings with the + operator, or by using a stringstream.
--
Ian Collins. |
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