Data input and output (I/O) refers to the processes of reading data from external sources and writing data to external destinations. This is a crucial aspect of data analysis and manipulation...
Casual R users can solve their input problems by using basic readr package functions such as read_csv to read CSV files and read_delim to read more complicated, tabular data. They can use print, cat, and format to produce simple reports. Users with heavy-duty input/output (I/O) needs ...
Input and Output in .NET To make a crude generalization, the input/output functions in the .NET Framework can be divided into two broad categories, irrespective of the data storage (disk, memory, etc.) that is being written to or read from. Data can be treated as a stream of bytes or...
Basic Input and Output in Python In this quiz, you'll test your understanding of Python's built-in functions for user interaction, namely input() and print(). These functions allow you to capture user input from the keyboard and display output to the console, respectively. ...
In this example, we’ll call it “my_log.txt”:my_log <- file("my_log.txt") # File name of output logUnfortunately, R doesn’t provide a function returning console input AND output at the same time (at least as far as I know). Therefore, we are first using the sink function ...
You can control the number of output arguments for the generated entry-point function by using thecodegenfunction at the command line or by using theMATLAB Coderapp. Consider these functions: functionvarargout = myops3(a,b)%#codegenvarargout{1} = a+b; varargout{2} = a*b; varargout{3} ...
Function with One Output Function with Multiple Outputs Function Without Output Function in a Script File Multiple Functions in a Function File Function with Argument Validation Version History Local Functions: Define functions anywhere in scripts and live scripts Improved performance when calling functions...
grep -R 'MASTER' $HOME 2> err.txt # redirect stderr to stdout, and stdout to output.txt $ ls > output.txt 2>&1 ## bash only ## $ ls &> output.txt # on Windows dir 2>&1 > out.txt dir 2> nul dir > output.txt 2> err.txt ...
The following example uses the high-level console I/O functions for console I/O. For more information about the high-level console I/O functions, see High-Level Console I/O.
Using Input and Output Arguments with Functions Input Arguments Vector and Matrix Input By design, MATLAB® software can efficiently perform repeated operations on collections of data stored in vectors and matrices. MATLAB code that is written to operate simultaneously on different arrays is said to...