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layout docs
page_title Command: fmt
sidebar_current docs-commands-fmt
description The `terraform fmt` command is used to rewrite Terraform configuration files to a canonical format and style.

Command: fmt

The terraform fmt command is used to rewrite Terraform configuration files to a canonical format and style.

Usage

Usage: terraform fmt [options] [DIR]

By default, fmt scans the current directory for configuration files. If the dir argument is provided then it will scan that given directory instead. If dir is a single dash (-) then fmt will read from standard input (STDIN).

The command-line flags are all optional. The list of available flags are:

  • -list=true - List files whose formatting differs (disabled if using STDIN)
  • -write=true - Write result to source file instead of STDOUT (disabled if using STDIN)
  • -diff=false - Display diffs of formatting changes