Method: Hanami::Utils::Files.replace_first_line

Defined in:
lib/hanami/utils/files.rb

.replace_first_line(path, target, replacement) ⇒ Object

Replace first line in ‘path` that contains `target` with `replacement`.

Parameters:

  • path (String, Pathname) —

    the path to file

  • target (String, Regexp) —

    the target to replace

  • replacement (String) —

    the replacement

Raises:

  • (Errno::ENOENT) —

    if the path doesn’t exist

  • (ArgumentError) —

    if ‘target` cannot be found in `path`

See Also:

Since:

  • 1.1.0

[View source]

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# File 'lib/hanami/utils/files.rb', line 168

def self.replace_first_line(path, target, replacement)
  content = ::File.readlines(path)
  content[index(content, path, target)] = "#{replacement}\n"

  write(path, content)
end