YAML Scalars, Strings, and Multiline Blocks

message: Hello world

# Use an unquoted scalar when no escaping is needed.

path: 'C:\Users\jonathan
otes'

# Keep backslashes literal and avoid interpolation-like behavior.

message: "Line 1
Line 2"

# Use escapes like newline and tab in YAML strings.

body: |
  Thanks for your patience.
  Please find attached the executed agreement.

# Preserve line breaks exactly with `|`.

summary: >
  ExpressYou helps people communicate with
  more clarity, confidence, and connection.

# Wrap multi-line text into a single logical paragraph with `>`.

answer: "yes"
feature_flag: true

# Avoid implicit booleans by quoting risky strings.

release: "2026-03-28"

# Prevent timestamps and date-like tokens from being auto-typed.

yq '.app.name' app.yaml

# Extract a single value from a YAML file.

yq -i '.app.version = "1.2.0"' app.yaml

# Modify a YAML field in place.