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if not modules then modules = { } end modules ['mtx-tools'] = {
version = 1.002,
comment = "companion to mtxrun.lua",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- data tables by Thomas A. Schmitz
local find, gsub = string.find, string.gsub
scripts = scripts or { }
scripts.tools = scripts.tools or { }
local bomb_1, bomb_2 = "^\254\255", "^\239\187\191"
function scripts.tools.disarmutfbomb()
local force, done = environment.argument("force"), false
for _, name in ipairs(environment.files) do
if lfs.isfile(name) then
local data = io.loaddata(name)
if not data then
-- just skip
elseif find(data,bomb_1) then
logs.simple("file '%s' has a 2 character utf bomb",name)
if force then
io.savedata(name,(gsub(data,bomb_1,"")))
end
done = true
elseif find(data,bomb_2) then
logs.simple("file '%s' has a 3 character utf bomb",name)
if force then
io.savedata(name,(gsub(data,bomb_2,"")))
end
done = true
else
-- logs.simple("file '%s' has no utf bomb",name)
end
end
end
if done and not force then
logs.simple("use --force to do a real disarming")
end
end
logs.extendbanner("All Kind Of Tools 1.0",true)
messages.help = [[
--disarmutfbomb remove utf bomb if present
]]
if environment.argument("disarmutfbomb") then
scripts.tools.disarmutfbomb()
else
logs.help(messages.help)
end
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