Server-side copy between GCS paths

Copies a file within GCS (or between buckets) using gcloud storage cp. This is a server-side operation — no data is downloaded locally.

Usage

copy_gcs_file(src, dst)

Arguments

src

Full GCS source path (e.g. "gs://bucket/src/file.csv")

dst

Full GCS destination path (e.g. "gs://bucket/dst/file.csv")

Value

Destination GCS path (invisibly)