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if val then return os.execute(cmd) else
local fd = io.popen(cmd,'r')
local t = fd:read('*a')
return chomp(t), fd:close()
end
end
local function dump(v,pfx,cyc)
pfx = pfx or ''
cyc = cyc or {}
local np = pfx .. ' '
if type(v) == 'table' then
if cyc[v] then return '<...>' else cyc[v] = true end
end
................................................................................
return string.format('%q', v)
elseif type(v) == 'table' then
local str = ''
for k,v in pairs(v) do
local tkey, tval = dump(k,np,cyc), dump(v,np,cyc)
str = str .. string.format('%s[%s] = %s\n', np, tkey,tval)
end
return '{\n' .. str .. pfx .. '}\n'
else
return string.format('%s', v)
end
end
local ping = function(path)
local f = io.open(path)
if f then f:close() return true end
return false
end
local tobool = function(s)
if s == true then return true
................................................................................
local seed = 1 for i = 1, 8 do
seed = seed * string.byte(string.sub(ent,i,i))
end
math.randomseed(seed)
else math.randomseed(os.time()) end
return {
exec = exec;
dump = dump;
ping = ping;
chomp = chomp;
map = map;
tobool = tobool;
find = function(lst,pred)
for k,v in pairs(lst) do
local test = pred(v,k)
if test then return test end
end
return nil
end;
................................................................................
s = s .. string.char(ofs)
end
return s
end;
append = function(a,b)
for _, v in pairs(b) do a[#a+1] = v end
end;
has = function(haystack,needle,eq)
eq = eq or function(a,b) return a == b end
for k,v in pairs(haystack) do
if eq(needle,v) then return k end
end
end;
keys = function(ary)
local kt = {}
for k,v in pairs(ary) do kt[#kt+1] = k end
return kt
end;
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if val then return os.execute(cmd) else
local fd = io.popen(cmd,'r')
local t = fd:read('*a')
return chomp(t), fd:close()
end
end
local function copy(a)
local new = {}
for k,v in pairs(a) do new[k] = v end
return new
end
local function cat(a,b)
a = copy(a)
local ofs = #a
for k,v in pairs(b) do
if type(k) == 'number' then
a[k+ofs] = v
else a[k] = v end
end
return a
end
local function search(tbl,pred,lst,path)
lst = lst or {} path = path or {}
if type(pred) ~= 'function' then
local val = pred
pred = function(a,k)
if type(a) == 'table' and a ~= val then return end
return a == val
end
end
for k,v in pairs(tbl) do
local res = pred(v,k)
local np = cat(path, {tbl})
if res == true then
table.insert(lst, {
key = k;
value = v;
parent = tbl;
path = np;
})
elseif res == nil then
search(v,pred,lst,np)
end
end
return lst
end
local function dump(v,pfx,cyc,ismeta)
pfx = pfx or ''
cyc = cyc or {}
local np = pfx .. ' '
if type(v) == 'table' then
if cyc[v] then return '<...>' else cyc[v] = true end
end
................................................................................
return string.format('%q', v)
elseif type(v) == 'table' then
local str = ''
for k,v in pairs(v) do
local tkey, tval = dump(k,np,cyc), dump(v,np,cyc)
str = str .. string.format('%s[%s] = %s\n', np, tkey,tval)
end
local meta = ''
if getmetatable(v) then
meta = dump(getmetatable(v),pfx,cyc,true) .. '::'
end
if ismeta then
return string.format('%s<|\n%s%s|>',meta,str,pfx)
else
return meta..'{\n' .. str .. pfx .. '}\n'
end
else
return string.format('%s', v)
end
end
local ping = function(path)
local f = io.open(path)
if f then f:close() return true end
return false
end
local tobool = function(s)
if s == true then return true
................................................................................
local seed = 1 for i = 1, 8 do
seed = seed * string.byte(string.sub(ent,i,i))
end
math.randomseed(seed)
else math.randomseed(os.time()) end
return {
dump = dump;
exec = exec, ping = ping;
map = map, copy = copy, cat = cat, search = search;
chomp = chomp, tobool = tobool;
find = function(lst,pred)
for k,v in pairs(lst) do
local test = pred(v,k)
if test then return test end
end
return nil
end;
................................................................................
s = s .. string.char(ofs)
end
return s
end;
append = function(a,b)
for _, v in pairs(b) do a[#a+1] = v end
end;
has = function(haystack,pred)
if type(pred) ~= 'function' then
local val = pred
pred = function(a) return a == val end
end
for k,v in pairs(haystack) do
if pred(v,k) then return k,v end
end
end;
keys = function(ary)
local kt = {}
for k,v in pairs(ary) do kt[#kt+1] = k end
return kt
end;
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