How to create a formatted string in C?

Depending on the format string, the function may expect a sequence of additional arguments, each containing a value to be used to replace a format specifier in the format string (or a pointer to a storage location, for n). There should be at least as many of these arguments as the number of values specified in the format specifiers.

How does write formatted data to string work?

Write formatted data to string Composes a string with the same text that would be printed if format was used on printf, but instead of being printed, the content is stored as a C string in the buffer pointed by str.

How do you write data to a file in C?

C language provides fprintf(), fputs(), fputc() and fwrite() functions to write data into a file. Examples are provided to write variable, struct, data stream, character array into a file.

How to format a text file in C #?

These examples all write string literals to files. If you want to format text written to a file, use the Format method or C# string interpolation feature. The preceding source code example: Instantiates a string array with three values. Asynchronously creates a file name WriteLines.txt. If the file already exists, it is overwritten.

What are the parameters of String.format ( )?

A parameter supplies culture-specific formatting information. provider: This parameter is the object that supplies culture-specific formatting information. format: This parameter is the required composite format string. arg0: This parameter is the object to format. Return Value: This method returns the string.

What is the return value of string format?

Return Value: This method returns the string. It is a copy of format in which any format items are replaced by the string representation of arg0. This method is used to replaces the format item in a specified string with the string representation of a corresponding object in a specified array.

Which is the format method of a string?

It is a static method of String class and takes a input string that identifies replaceable parameters by using numbers in curly braces. For example : String.Format(“My name is : {0}”, name); The simplest form of String.Format method to format objects and variables is as follows.