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if not modules then modules = { } end modules ['luat-exe'] = {
version = 1.001,
comment = "companion to luat-lib.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local match, find = string.match, string.find
local concat = table.concat
if not executer then executer = { } end
executer.permitted = { }
executer.execute = os.execute
function executer.register(...)
local ep = executer.permitted
local t = { ... }
for k=1,#t do
local v = t[k]
ep[#ep+1] = (v == "*" and ".*") or v
end
end
function executer.finalize() -- todo: os.exec, todo: report ipv print
local execute = os.execute
function executer.execute(...)
local t, name, arguments = {...}, "", ""
if #t == 1 then
if type(t[1]) == 'table' then
name, arguments = t[1], concat(t," ",2,#t)
else
name, arguments = match(t[1],"^(.-)%s+(.+)$")
if not (name and arguments) then
name, arguments = t[1], ""
end
end
else
name, arguments = t[1], concat(t," ",2,#t)
end
local permitted = executer.permitted
for k=1,#permitted do
local v = permitted[k]
if find(name,v) then
execute(name .. " " .. arguments)
-- print("executed: " .. name .. " " .. arguments)
else
print("not permitted: " .. name .. " " .. arguments)
end
end
end
function executer.finalize()
print("executer is already finalized")
end
function executer.register(name)
print("executer is already finalized")
end
os.execute = executer.execute
end
--~ executer.register('.*')
--~ executer.register('*')
--~ executer.register('dir','ls')
--~ executer.register('dir')
--~ executer.finalize()
--~ executer.execute('dir',"*.tex")
--~ executer.execute("dir *.tex")
--~ executer.execute("ls *.tex")
--~ os.execute('ls')
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