47 lines
1.4 KiB
Plaintext
47 lines
1.4 KiB
Plaintext
use "core"
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%hash_to_filename <- {}
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lua> ".."
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local Hash = require("openssl.digest");
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local function sha1(x)
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local hash = Hash.new("sha1"):final(x);
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local hex = hash:gsub('.', function(c) return string.format('%02x', string.byte(c)) end)
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return hex
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end
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local lfs = require('lfs');
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local function attrdir(path)
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for filename in lfs.dir(path) do
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if filename ~= "." and filename ~= ".." and filename:sub(1,1) ~= "." then
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local filename = path..'/'..filename
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local attr = lfs.attributes(filename);
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if attr.mode == "directory" then
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attrdir(filename);
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elseif filename:match(".*%.nom") then
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local file = io.open(filename);
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local hash = sha1(file:read("*a"));
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file:close();
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\%hash_to_filename[hash] = filename
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end
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end
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end
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end
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attrdir(".");
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action [sha1 %]:
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lua> "return sha1(\%);"
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action [file with hash %hash]:
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%file <- (%hash in %hash_to_filename)
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assume %file or barf "File with SHA1 hash \%hash not found!"
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return %file
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action [hash of file %filename]:
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lua> ".."
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local f = io.open(\%filename);
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local hash = sha1(f:read("*a"));
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f:close();
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return hash;
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parse [use file with hash %hash] as: use (file with hash %hash)
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