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#!/usr/bin/lua
require "object"
-- ed object
Ed = Object:new{
filename = nil,
lines = {}
}
-- openfile and read it to table
function Ed:open( filename, mode )
local f = io.open( filename, mode )
-- check that open was success
if f == nil then
return nil
end
-- read the lines
for line in f:lines() do
table.insert( self.lines, line )
end
f:close()
self.filename = filename
return self.lines
end
-- search and replace on lines that matches linematch
function Ed:find_gsub( linematch, search, replace, limit )
local i, line
for i, line in ipairs( self.lines ) do
if string.find( line, linematch ) then
self.lines[i] = string.gsub( line, search, replace, limit )
end
end
end
-- Write the table to file again
function Ed:flush( filename )
local f = io.open( filename, "w" )
if f == nil then
return false
end
-- write each line to file
for i, line in ipairs( self.lines ) do
f:write(line .. "\n") -- test this!
end
f:close()
return true
end
function Ed:insert( line )
self.lines:insert( line )
end
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