Ruby Multiline String Array

Q is another way to write a single quoted string and can be multi line which is useful q gives a double quoted string x is a shell command i gives an array of symbols ruby 2 0 0 s turns foo into a symbol foo i don t know any others but there may be some lurking around in there.

Ruby multiline string array. It allows you to templatize a string. Arrays are often used to group together lists of similar data types but in ruby arrays can contain any value or a mix of values including other arrays. If you have you already know that ruby doesn t have a nice out of the box solution for this problem. We will show three ways to print multi line string.

String each line separates lines by the optional argument sep string which defaults to which itself defaults to n simply. If you type the code above in your editor and syntax highlighting for ruby code is used it should highlight the code in the double quoted string so it gives you a visual clue about the interpolation. The first syntax uses and additional dash but allows you to indent the end of here doc delimiter eos in the example. You have learned about string concatenation appending prepending interpolation in ruby this allows you to combine multiple strings together.

String can be written within double quotes. The character is used and string is enclosed within character. Multiline strings in ruby 2 3 the squiggly heredoc. Lastly if you want to do more complex string parsing check out the built in stringscanner class.

Returns a new array. In the first form if no arguments are sent the new array will be empty. Ruby supports multiline strings by providing two types of here doc syntax. The second form creates a copy of the array passed as a parameter the array is generated by calling to ary on the parameter.

How to use ruby string interpolation. Damir svrtan 3 min read. Interpolation or merging of variables into strings is a powerful technique. Have you ever had to write a nicely indented multiline string in ruby.

Writing multiline string is very simple in ruby language. Here s an example of an array that contains a string a nil value an integer and an array of strings.