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Results for “parameter expansion”

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Bash ScriptsArray operations

Join array items with a one-character separator

Bash Scripts: A local IFS controls the separator used by the quoted star expansion.

Bash Scripts✓ Tested
C#Types & reliable control flow

Pass behavior as a function delegate

C#: Func describes a callable with typed parameters and a return value.

C#✓ Tested
Docker / ComposeCompose service options

Pass dollar expressions through Compose

Docker / Compose: Double dollar signs defer expansion to the container shell.

Docker / Compose✓ Tested
JavaScriptRegular expressions & URL encoding

Percent-encode one URL component

JavaScript: encodeURIComponent escapes a parameter value rather than a complete URL.

JavaScript✓ Tested
TypeScriptRegular expressions & URL encoding

Percent-encode one URL component

TypeScript: encodeURIComponent escapes a parameter value rather than a complete URL.

TypeScript✓ Tested
Bash ScriptsArray operations

Prepend items while preserving existing array values

Bash Scripts: Construct a new array with the new values before the quoted original expansion.

Bash Scripts✓ Tested
Docker / ComposeBuild images

Provide a default environment value

Set a runtime default that can be overridden at startup.

Dockerfile✓ Tested
Bash ScriptsArray operations

Read an optional associative-array entry

Bash Scripts: Use a fallback expansion when a map key may not be present under nounset.

Bash Scripts✓ Tested
Bash ScriptsArray operations

Select a range of array elements

Bash Scripts: Quote a sliced at-sign expansion to keep each selected element separate.

Bash Scripts✓ Tested
Docker / ComposeCompose applications

Set service environment values

Pass configuration through the Compose environment section.

Compose✓ Tested