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I'm using scanf() to read user input on terminal in a console application. scanf waits until the user hits the return key to read. Is there a way to read the user input on each keystroke?
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Open Terminal On your Mac, do one of the following: Click the Launchpad icon in the Dock, type Terminal in the search field, then click Terminal. In the Finder , open the /Applications/Utilities folder, then double-click Terminal.
If you want to save the output of all the commands and their results for the current session in a text file on the macOS, you can do that by simply pressing Command + S keys, this will open a prompt that will ask you where you want to save the file to.
On Linux or macOS, you can use the bundled installer to install version 1 of the AWS Command Line Interface (AWS CLI).
To look at the contents of a text-based configuration file, use cat or less . Generally, you'll use less because it has more options (such as searching). To use less , enter the command name followed by the name of the file you want to view.
The usual way would be to use the getch function from (the Mac port of) ncurses.
Note that while getchar reads a single character, it still normally does buffered reading, so you need to press 'return'/'enter' before it'll return.
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getch() returns the character stream from stdin as it is typed.
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