Class: TheFox::Timr::Helper::TerminalHelper

Inherits:
Object
  • Object
show all
Extended by:
Error
Defined in:
lib/timr/helper/terminal_helper.rb

Overview

This class helps with Terminal operations.

Class Method Summary collapse

Class Method Details

.external_editor_help(edit_text) ⇒ Object

Print help to external editor.



45
46
47
48
49
50
 
# File 'lib/timr/helper/terminal_helper.rb', line 45

def external_editor_help(edit_text)
	edit_text << '# This is a comment.'
	edit_text << '# The first line should be a sentence. Sentence have dots at the end.'
	edit_text << '# The second line should be empty, if you provide a more detailed'
	edit_text << '# description from on the third line. Like on Git.'
end

.run_external_editor(text = nil) ⇒ Object

Run external editor via EDITOR environment variable.



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/timr/helper/terminal_helper.rb', line 15

def run_external_editor(text = nil)
	case text
	when Array
		text = text.join("\n")
	end
	
	if !ENV['EDITOR'] || ENV['EDITOR'].length == 0
		raise TerminalHelperError, 'EDITOR environment variable not set.'
	end
	
	tmpfile = Tempfile.new('timr_message')
	if text
		tmpfile.write(text)
	end
	tmpfile.close
	
	system_s = '%s %s' % [ENV['EDITOR'], tmpfile.path]
	system(system_s)
	
	tmpfile.open
	tmpfile_lines = tmpfile.read
	tmpfile.close
	
	tmpfile_lines
		.split("\n")
		.select{ |row| row[0] != '#' }
		.join("\n")
end