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basename(path) returns the final component of path, stripping any directory prefix.

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Signature

basename(path string) string

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Example

Extract the filename from a variable holding a full artifact path and use it as the upload target name: 
variable "artifact_path" {
  description = "Full path to the build artifact"
  type        = string
}

computed "artifact_name" {
  description = "Filename of the artifact"
  expression  = basename(var.artifact_path)
}

task "publish" {
  description = "Upload the artifact to the release"
  commands = [
    "gh release upload ${var.version} ${var.artifact_path}#${computed.artifact_name}",
  ]
}
/workspace/dist/myapp-1.2.0-linux-amd64.tar.gz becomes myapp-1.2.0-linux-amd64.tar.gz.

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Notes

  • basename does not check whether the path exists.
  • Trailing slashes in path are stripped before extracting the base name.
  • To get the directory component, use dirname.