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more safe to get script name

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skywind3000
2019-02-01 17:47:22 +08:00
parent c88b8213c5
commit 6a53ba62b1
1 changed files with 13 additions and 5 deletions
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18
z.lua
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@@ -4,7 +4,7 @@
-- z.lua - z.sh implementation in lua, by skywind 2018, 2019
-- Licensed under MIT license.
--
-- Version 41, Last Modified: 2019/01/28 20:32
-- Version 42, Last Modified: 2019/02/01 17:41
--
-- * 10x times faster than fasd and autojump
-- * 3x times faster than rupa/z
@@ -445,10 +445,14 @@ end
-- get lua executable
-----------------------------------------------------------------------
function os.interpreter()
if arg == nil then
if os.argv == nil then
io.stderr:write("cannot get arguments (arg), recompiled your lua\n")
return nil
end
local lua = arg[-1]
local lua = os.argv[-1]
if lua == nil then
io.stderr:write("cannot get executable name, recompiled your lua\n")
end
if os.path.single(lua) then
local path = os.path.which(lua)
if not os.path.isabs(path) then
@@ -464,10 +468,14 @@ end
-- get script name
-----------------------------------------------------------------------
function os.scriptname()
if arg == nil then
if os.argv == nil then
io.stderr:write("cannot get arguments (arg), recompiled your lua\n")
return nil
end
local script = arg[0]
local script = os.argv[0]
if script == nil then
io.stderr:write("cannot get script name, recompiled your lua\n")
end
return os.path.abspath(script)
end