This method advances the scanner past the current line and returns the input that wasn't reached initially. To read the line and move on, we should use the nextLine() method. The hasNextLine() method returns true if there is another line in the input of this scanner, but the scanner itself does not advance past any input or read any data at this point. A Scanner breaks its input into tokens using a delimiter pattern, which in our case is the newline character: Scanner scanner = new Scanner( new File( "filename"))
One of the easiest ways of reading a file line by line in Java could be implemented by using the Scanner class. There are a few different options to choose from when you need to read a file line by line. It also allows us to break up the data into logical pieces, like if the file was CSV-formatted. This can be edited by defining key bindings as shown below.Being able to read a file line by line gives us the ability to seek only the relevant information and stop the search once we have found what we're looking for. The default cmd-alt-e or ctrl-alt-e will toggle code-peek while the cursor is over a function of a supported type. This only affects panels where the location is left or right. This configuration option can be set to change the width, and supports a range from 200px to 1000px.
Max Widthīy default, the maximum width of the Code Peek panel is 500px. This only affects panels where the location is top, bottom, header, footer, or modal. This configuration option can be set to change the height, and supports a range from 200px to 800px. Max Heightīy default, the maximum height of the Code Peek panel is 300px.
Additional options include top, left, right, header, footer, and modal. By default, it will appear at the bottom of the screen. This setting dictates where the Code Peek panel should appear. See the description of that setting for more details. Additionally, any files and directories ignored by the current project's VCS system will be ignored if the 'Core -> Exclude VCS Ignored Paths' is checked. Please note that any files or directories in 'Core -> Ignored Names' will be ignored even if you do not list it here. This setting provides a way to exclude certain paths or files from being found by Code Peek. This configuration option can be toggled off to stop the dialogue box from appearing. Configuration Ask If Save On Modifiedīy default, clicking the "Close without saving" button after a file is modified using Code Peek will ask the user if they want to save their changes. Or search for code-peek in the Atom settings view. The regular expressions for the supported files are located here. Currently, Code Peek supports languages that use curly brackets to indicate the start and end of a function as well as tab based languages such as Python.
If you'd like to add your own language, send me a regex string or make a pull request that adds one that will correctly find the first line of a function using a known name for that language in all cases. TypeScript/TypeScriptReact (Supports classes and interfaces as well!).This was inspired byīrackets' quick edit feature and Maushundb's Quick Editor for CSS/LESS/SCSS. This package allows you to quickly peek and edit functions contained in otherįiles instead of having to open the file separately.