Llewellyn/conky
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Use files instead of STDIN and STDOUT for convert.lua

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This commit is contained in:
Nikolas Garofil 2010-11-22 14:21:53 +01:00
parent c119410c78
commit 0d956d8d8b
1 changed files with 23 additions and 12 deletions
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35
extras/convert.lua
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@ -1,15 +1,18 @@
#! /usr/bin/lua
local usage = [[
Usage: convert.lua <old_conkyrc >new_conkyrc
Usage: convert.lua old_conkyrc [new_conkyrc]
Tries to convert conkyrc from the old v1.x format to the new, lua-based format.
Reads from stdin, writes to stdout.
Keep in mind that there is no guarantee that the output will work correctly
with conky, or that it will be able to convert every conkyrc. However, it
should provide a good starting point.
Altough you can use this script with only 1 arg and let it overwrite the old
config, it's suggested to use 2 args so that the new config is written in a new
file (so that you have backup if something went wrong).
For more information about the new format, read the wiki page
<http://wiki.conky.be/index.php?title=conky2rc_format>
]];
@ -111,13 +114,14 @@ end;
local input;
local output;
if conky == nil then
-- we are run as a standalone program, read from stdin, write to stdout
input = io.input();
if #arg > 0 then
-- if the user provided some arguments, it means he doesn't know how to use us
-- -> print usage
io.output():write(usage);
if conky == nil then --> standalone program
-- 1 arg: arg is input and outputfile
-- 2 args: 1st is inputfile, 2nd is outputfile
-- 0, 3 or more args: print usage to STDERR and quit
if #arg == 1 or #arg == 2 then
input = io.input(arg[1]);
else
io.stderr:write(usage);
return;
end;
else
@ -130,11 +134,18 @@ local config = input:read('*a');
local settings, text = config:match('^(.-)TEXT\n(.*)$');
local output = 'conky.config = {\n' .. settings:gsub('.-\n', convert) .. '};\n\nconky.text = ' ..
local converted = 'conky.config = {\n' .. settings:gsub('.-\n', convert) .. '};\n\nconky.text = ' ..
quote(text) .. ';\n';
if conky == nil then
io.output():write(output);
input:close();
if #arg == 2 then
output = io.output(arg[2]);
else
output = io.output(arg[1]);
end
output:write(converted);
output:close();
else
return assert(loadstring(output, 'converted config'));
return assert(loadstring(converted, 'converted config'));
end;