FileSnipe: Fix one

local snipeComment = {"--[[","{{FILESNIPE VAR HANDLE}}"," ","please do not edit anything in this comment block"," ","{ ,}","]]",}
local mv = {
  __index = function(t,k)
    local file = fs.open(k,"r")
    if not file then return nil end
    local total = {}
    line = file.readLine()
    repeat
      table.insert(total,line)
      line = file.readLine()
    until not line
    file.close()
    return total
  end;
  __newindex = function(t,k,v)
    if type(v)==nil then
      fs.delete(k)
    else
      local file = fs.open(k,"w")
      for i=1,#v do
        file.writeLine(v[i])
      end
      file.close()
    end
  end;
}
local function init()
  fileSnipeNew = nil
  fileSnipeNew = setmetatable({
    fileData = {},
    fileName = "nil",
    fileMode = false,
    bypass = false,
    fileIsVar = false,
    handle = function(self,bool)
      if not bool and not self.bypass and not self.fileIsVar and self.fileData[2]=="{{FILESNIPE VAR HANDLE}}" then
        self.fileIsVar = {}
        for i=1,7 do
         table.insert(self.fileIsVar,self.fileData[1])
         table.remove(self.fileData,1)
        end
      elseif not bypass and self.fileIsVar then
        for i=#self.fileIsVar,1,-1 do
          table.insert(self.fileData,1,self.fileIsVar[i])
        end
        self.fileIsVar = false
      end
    end,
    },{
    __index = function(t,k)
      if t.fileMode then t.fileData=snipeAPIFiles[t.fileName] end
      t:handle(true)
      if t.fileData[2]~="{{FILESNIPE VAR HANDLE}}" then
        for i=#snipeComment,1,-1 do
          table.insert(t.fileData,1,snipeComment[i])
        end
      end
      local var = textutils.unserialize(t.fileData[6]) or {}
      if tostring(var[k]):sub(1,8)=="function" then return loadstring("return "..var[k])() end
      return var[k]
    end;
    __newindex = function(t,k,v)
      if type(v)=="function" then
        func = setmetatable({},{
          __call = function(_,...)
            if rawequal(t,({...})[1]) then
              return v(...)
            end
            return v(t,...)
          end;
        })
        rawset(t,k,func)
      else
        if t.fileMode then t.fileData=snipeAPIFiles[t.fileName] end
        t:handle(true)
        if t.fileData[2]~="{{FILESNIPE VAR HANDLE}}" then
          for i=#snipeComment,1,-1 do
            table.insert(t.fileData,1,snipeComment[i])
          end
          snipeAPIFiles[t.fileName] = t.fileData
        end
        local var=textutils.unserialize(t.fileData[6]) or {}
        var[k] = v
        t.fileData[6] = textutils.serialize(var):gsub("\n","")
        snipeAPIFiles[t.fileName] = t.fileData
      end
    end;
  })
  fileSnipeNew.getLine = function(self,...)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    for _,line in ipairs({...}) do
      if line<0 then line=#self.fileData+(line+1) end
      if line>#self.fileData or line<0 then return nil
      else return self.fileData[line] end
    end
  end
  fileSnipeNew.setLine = function(self,line,data)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    if line<0 then line=#self.fileData+(line+1) end
    if line>#self.fileData then
      for i=1,line-#self.fileData do
        table.insert(self.fileData,"")
      end
    elseif line<1 then
      repeat
        table.insert(self.fileData,1,"")
        line = line+1
      until line>0
    end
    self.fileData[line] = data
    self:handle(true)
    snipeAPIFiles[self.fileName] = self.fileData
  end
  fileSnipeNew.len = function(self)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    return #self.fileData
  end
  fileSnipeNew.getFile = function(self)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    return self.fileData
  end
  fileSnipeNew.setFile = function(self,...)
    local data = {...}
    self:handle(false)
    if data[1]=="table" then data = data[1] end
    self.fileData = data
    self:handle(true)
    snipeAPIFiles[self.fileName] = self.fileData
  end
  fileSnipeNew.remLine = function(self,...)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    local args = table.sort({...},function(a,b) return a>b end)
    for _,line in ipairs(args) do
      table.remove(self.fileData,line)
      self:handle(true)
      snipeAPIFiles[self.fileName]=self.fileData
    end
  end
  fileSnipeNew.insert = function(self,line,data)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    if type(data)=="string" then table.insert(self.fileData,line,data)
    elseif type(data)=="table" then
      for i=#data,1,-1 do
        table.insert(self.fileData,line,data[i])
      end
    end
    self:handle(true)
    snipeAPIFiles[self.fileName]=self.fileData
  end
  fileSnipeNew.find = function(self,str,whole)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    local instances = {}
    local cut = {}
    for i=1,#self.fileData do
      local t=1
      cut = {string.find(self.fileData[i],str,t)}
      while cut[1] do
        local s = self.fileData[i]:sub(cut[2]+1,cut[2]+1)
        if not whole or s==" " or s=="?" or s=="," or s=="!" or s=="." or s=="\"" or s=="'" or s=="(" or s==")" or s=="=" or s=="" then
          table.insert(instances,{i,cut[1]})
        end
        t=cut[2]+1
        cut = {string.find(self.fileData[i],str,t)}
      end
    end
    return instances
  end
  fileSnipeNew.swap = function(self,line1,line2)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    if line1<=#self.fileData and line2<=#self.fileData then
      local ph = self.fileData[line1]
      self.fileData[line1]=self.fileData[line2]
      self.fileData[line2]=ph
      self:handle(true)
      snipeAPIFiles[self.fileName]=self.fileData
    end
  end
  fileSnipeNew.replace = function(self,old,new,index,whole)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    local tbl = self:find(old,whole)
    local segment = self:getLine(tbl[index][1])
    segment = segment:sub(1,tbl[index][2]-1)..new..segment:sub(tbl[index][2]+old:len(),segment:len())
    self:setLine(tbl[index][1],segment)
  end
  fileSnipeNew.replaceAll = function(self,old,new,whole)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    local tbl = self:find(old,whole)
    for i=#tbl,1,-1 do
      local segment = self:getLine(tbl[i][1])
      segment = segment:sub(1,tbl[i][2]-1)..new..segment:sub(tbl[i][2]+old:len(),segment:len())
      self:setLine(tbl[i][1],segment)
    end
  end
  fileSnipeNew.append = function(self,...)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    local req = {...}
    if type(req[1])=="table" then req = req[1] end
    for _,data in ipairs(req) do
      table.insert(self.fileData,data)
    end
    self:handle(true)
    snipeAPIFiles[self.fileName] = self.fileData
  end
  fileSnipeNew.combineLines = function(self,line1,line2,sep)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    if not sep then sep=" " end
    self.fileData[line1] = self.fileData[line1]..sep..self.fileData[line2]
    table.remove(self.fileData,line2)
    self:handle(true)
    snipeAPIFiles[self.fileName] = self.fileData
  end
  fileSnipeNew.moveLine = function(self,from,to)
    if self.fileMode then self.fileData=snipeAPIFiles[self.fileName] end
    self:handle(false)
    if from<0 then from=#self.fileData+(from+1) end
    if to<0 then to=#self.fileData+(to+1) end
    if to>from then
      table.insert(self.fileData,to+1,self.fileData[from])
    else
      table.insert(self.fileData,to,self.fileData[from])
      from=from+1
    end
    table.remove(self.fileData,from)
    self:handle(true)
    snipeAPIFiles[self.fileName] = self.fileData
  end
  fileSnipeNew.concatLine = function(self,line,data)
    if self.fileMode then self.fileData=snipeAPIFile[self.fileName] end
    self:handle(false)
    if line<0 then line=#self.fileData+(line+1) end
    self.fileData[line] = self.fileData[line]..data
    self:handle(true)
    snipeAPIFiles[self.fileName] = self.fileData
  end
  fileSnipeNew.sepLines = function(self,line,sep)
    if self.fileMode then self.fileData=snipeAPIFile[self.fileName] end
    self:handle(false)
    table.insert(self.fileData,line+1,self.fileData[line]:sub(sep,self.fileData[line]:len()))
    self.fileData[line] = self.fileData[line]:sub(1,sep-1)
    self:handle(true)
    snipeAPIFiles[self.fileName] = self.fileData
  end
  fileSnipeNew.rawVar = function(self,key)
    if self.fileMode then self.fileData=snipeAPIFile[self.fileName] end
    local var = textutils.unserialize(self.fileData[6])
    if not var then return nil
    else return var[key] end
  end
end
snipeAPIFiles = setmetatable({},mv)
function open(sFile,mode,bypass)
  init()
  fileSnipeNew.fileName = sFile
  if type(mode)~="string" then
    bypass = mode
    mode = nil
  end
  local setData = snipeAPIFiles[sFile]
  if setData then fileSnipeNew.fileData = setData end
  if mode=="d" then fileSnipeNew.fileMode=true
  elseif mode=="s" or not mode then fileSnipeNew.fileMode=false
  else error("mode format not supported") end
  if bypass==nil then bypass = false end
  fileSnipeNew.bypass = bypass
  return fileSnipeNew
end