Editor tips

vi or nvim

From a python dictionary from the given list of words in the file

• Select the lines and run:

'<,'>s/^\(\w\+\)/"\1":"\1",/g

These lines in the file :

objects
pages

will converted into:

 "objects":"objects",
 "pages":"pages

Multiline comments in vim

• Press Ctrl-v to enter visual block mode.
• Use the arrow keys to select the three lines you want to comment out.
• Press Shift-I to enter insert mode at the beginning of the selected lines.
• Type # (or your comment identifier) and then press Esc.

Multiline comments in VSCode

# select multi-lines to be commented out
    
shift + option + A

Delete empty lines

:g/^$/d

• The :g command allows you to perform an action on all lines that match a pattern.
• /^$/ is a regular expression that matches empty lines. The ^ and $ characters anchor the expression to the beginning and end of the line, respectively.
• The d command deletes the selected lines.

Selecting non-empty lines and deleting others

%v/\S/d

• The % character represents the entire file.
• The v command selects all lines that do not match a pattern.
• /\S/ is a regular expression that matches all lines that contain at least one non-whitespace character. In other words, it selects all non-empty lines.
• The d command deletes the selected lines.

Converting a js JSON into compliant json

:%s/\(\S*\):/"\1":/g

• From

{
        type: "ObjectManager > Account > Fields&Relationships",
        field: "AnnualRevenue",
        attribute: "Help Text",
        newValue: "New Value here"
}

• to JSON

{
        "type": "ObjectManager > Account > Fields&Relationships",
        "field": "AnnualRevenue",
        "attribute": "Help Text",
        "newValue": "New Value here"
    }