local shell=require("shell")
local process=require("process")

function shell.aliases()
return pairs(process.info().data.aliases)
end

function shell.execute(command,env,...)
local sh,reason=shell.getShell()
if not sh then
return false,reason
end
local proc=process.load(sh,nil,nil,command)
local result=table.pack(process.internal.continue(proc,env,command,...))
if result.n==0 then return true end
return table.unpack(result,1,result.n)
end

function shell.getPath()
return os.getenv("PATH")
end

function shell.setPath(value)
os.setenv("PATH",value)
end