In Shell or Bash shell, we can comment on multiple lines using << and name of comment. we start a comment block with << and name anything to the block and wherever we want to stop the comment, we will simply type the name of the comment.
How do you comment out multiple lines in shell script?
The least surprising completely safe way to insert comments in shell scripts is with # . Stick to that even for multi-line comments. Never attempt to (ab)use : for comments. There is no dedicated multi-line comment mechanism in shell that is analogous to the slash-star /* */ form in C -like languages.
How do you comment multiple lines at once?
Commenting Multiple Lines
- First, press ESC.
- Go to the line from which you want to start commenting. …
- use the down arrow to select multiple lines that you want to comment.
- Now, press SHIFT + I to enable insert mode.
- Press # and it will add a comment to the first line.
How do you comment multiple lines in bash?
Unlike most of the programming languages, Bash doesn’t support multiline comments. The simplest way to write multiline comments in Bash is to add single comments one after another: # This is the first line. # This is the second line.
How do you comment multiple lines in Python?
Let’s have a look at them!
- Using multiple single # line comments. You can use # in Python to comment a single line: # THIS IS A SINGLE LINE COMMENT. …
- Using triple-quoted string literals. Another way to add multiline comments is to use triple-quoted, multi-line strings.
How do you comment out in Jenkinsfile?
You can use block (/***/) or single line comment (//) for each line. You should use “#” in sh command. Comments work fine in any of the usual Java/Groovy forms, but you can’t currently use groovydoc to process your Jenkinsfile (s).
How do you comment all lines in VS code?
Comment Code Block Ctrl+K+C/Ctrl+K+U
Whether it’s because you’re trying to track down a “but,” or experimenting with code change, from time to time you’ll want to comment and uncomment blocks of code. If you select a block of code and use the key sequence Ctrl+K+C, you’ll comment out the section of code.
How do I comment multiple lines in Yaml?
yaml files), you can comment-out multiple lines by:
- selecting lines to be commented, and then.
- Ctrl + Shift + C.
How do you comment or code?
Comment-out code in VSCode
- Windows: Ctrl + /
- Mac: Command + /
How do you comment out a line in Unix?
You can comment by placing a octothorpe # or a : (colon) at the start of the line, and then your comment. # can also go after some code on a line to add a comment on the same line as the code.
How do I comment in a batch file?
During execution of a batch file, DOS will display (but not act on) comments which are entered on the line after the REM command. You cannot use separators in the comment except the space, tab, and comma. To keep DOS from interpreting commands in a comment line, enclose the command in quotes.
How do I comment a .sh file?
A single-line comment starts with hashtag symbol with no white spaces (#) and lasts till the end of the line. If the comment exceeds one line then put a hashtag on the next line and continue the comment. The shell script is commented out prefixing # character for single-line comment.