print_kv

Prints records in a key-value format.

print_kv( input:record, [field_separator=str, value_separator=str,
                         list_separator=str, flatten_separator=str,
                         null_value=str] ) -> str

Description

Prints records in a Key-Value format. Nested data will be flattend, keys or values containing the given separators will be quoted and the special characters \n, \r, \ and " will be escaped.

input: record

The record to print as a string.

field_separator = str (optional)

A string that shall separate the key-value pairs.

Must not be an empty string.

Defaults to " ".

value_separator = str (optional)

A string that shall separate key and value within key-value pair.

Must not be an empty string.

Defaults to "=".

list_separator = str (optional)

Must not be an empty string.

Defaults to ",".

flatten_separator = str (optional)

A string to join the keys of nested records with. For example, given flatten="."

Defaults to ".".

null_value = str (optional)

A string to represent null values.

Defaults to the empty string.

Examples

Format a record as key-value pair

from {
  input: {key: "value"}
}
output = input.print_kv()

{
  input: {
    key: "value",
  },
  output: "key=value",
}

See Also

write_kv, parse_kv