44 lines
953 B
Ruby
44 lines
953 B
Ruby
|
#!/usr/bin/env ruby
|
||
|
|
# -*- coding: binary -*-
|
||
|
|
|
||
|
|
# Replace leading tabs with 2-width spaces.
|
||
|
|
# I'm sure there's a sed/awk/perl oneliner that's
|
||
|
|
# a million times better but this is more readable for me.
|
||
|
|
|
||
|
|
require 'fileutils'
|
||
|
|
require 'find'
|
||
|
|
|
||
|
|
dir = ARGV[0] || "."
|
||
|
|
raise ArgumentError, "Need a filename or directory" unless (dir and File.readable? dir)
|
||
|
|
|
||
|
|
Find.find(dir) do |infile|
|
||
|
|
next unless File.file? infile
|
||
|
|
next unless infile =~ /rb$/
|
||
|
|
outfile = infile
|
||
|
|
backup = "#{infile}.notab"
|
||
|
|
FileUtils.cp infile, backup
|
||
|
|
|
||
|
|
data = File.open(infile, "rb") {|f| f.read f.stat.size}
|
||
|
|
fixed = []
|
||
|
|
data.each_line do |line|
|
||
|
|
fixed << line
|
||
|
|
next unless line =~ /^\x09/
|
||
|
|
index = []
|
||
|
|
i = 0
|
||
|
|
line.each_char do |char|
|
||
|
|
break unless char =~ /[\x20\x09]/
|
||
|
|
index << i if char == "\x09"
|
||
|
|
i += 1
|
||
|
|
end
|
||
|
|
index.reverse.each do |idx|
|
||
|
|
line[idx] = " "
|
||
|
|
end
|
||
|
|
fixed[-1] = line
|
||
|
|
end
|
||
|
|
|
||
|
|
fh = File.open(outfile, "wb")
|
||
|
|
fh.write fixed.join
|
||
|
|
fh.close
|
||
|
|
puts "Retabbed #{fh.path}"
|
||
|
|
end
|