I can't find a way to achieve this with string interpolation without having it all one one line: I realise that in this case you could use \r\n in place of Environment.NewLine (less portable), or pull it out to a local, but there will be cases where you can't reduce it below one line without losing semantic strength. Using a backslash \ or « to print a bash multiline command. Also note that EOT is surrounded by single-quotes, so that bash recognizes the heredoc as a nowdoc, turning off local variable interpolation so that the command text will be passed as-is to ssh. I prefer stringbuilder, it's more expressive. How to define multiline string variable in shell? Putting quotes around the sentinel (EOF) prevents the text from undergoing parameter expansion. How do I extract text fragments of a file using sed? I think bash allow you to use a string with newlines directly, no need for a heredoc, or calling external commands (like cat): ... How to deal with multiline strings and string interpolation? In Groovy, I have a multiline String, defined with ''', in which I need to use interpolation in order to substitute some other variables. The string interpolation feature is built on top of the composite formatting feature and provides a more readable and convenient syntax to include formatted expression results in a result string. Both assignments work for me eventually. For example, the interpolated string Asking for help, clarification, or responding to other answers. Get app's compatibilty matrix from Play Store. I am actually interested in assigning the groovy array list variable 'test_id' with the shell script array variable 't_id'. Introduction. Unfortunately, the apostrophe in "Raphael's" makes the first one not work. Scala provides three string interpolation methods out of the box: s, f and raw. Even though Bash support single-quotes (‘) and double-quotes (“) to define a string, only double quotes are capable of string interpolation. Looking for title/author of fantasy book where the Sun is hidden by pollution and it is always winter. In your bash/shell scripting experience you may faced scenario where you need to define multi line string variable. Definitely like concat more than verbatim. But, the string interpolation as provided in the link works for accessing the groovy variable in the shell script. I don't particularly like verbatim strings for formatting. C# String Interpolation ExamplesUse string interpolation with arrays, ints, expressions and method calls. Index syntax: variables['MyVar'] 2. Note that any of the quoting mechanisms -- \____HERE or "____HERE" or '____HERE'-- will disable all variable interpolation, and turn the here-document into a piece of literal text. Line 3. Note that executing the above without /bin/bash will result in the warning Pseudo-terminal will not be allocated because stdin is not a terminal. ... Ruby Heredoc Interpolation. The arguments of an interpolated string are easier to understand than a composite format string. I need to write some complex xml to a variable inside a bash script. #!/bin/bash # param-sub.sh # Whether a variable has been declared #+ affects triggering of the default option #+ even if the variable is null. Hope this helps. 2. Today is {1}, it's {2:HH:mm} now. I had tried this as @$ (reversed) and it didn't work so I figured they couldn't be combined. Stack Overflow for Teams is a private, secure spot for you and The answer is yes! From the bash(1) man page: 1. String interpolation allows us to include embedded expressions as part of the string. and never ever indent second EOF.... (multiple table to head bangs involved). By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. It didn't occur to me to try it the other way. ... Bash script string interpolation leaves curly braces intact. ... Bash String manipulation when string contains parentheses. 3. Dart String interpolation and multi-line Strings. A String is a finite sequence of characters. nice_message=<