adjust directory 2

1_3.test_code/lua_test/1_1.test_convert_repeat_var.lua

@@ -0,0 +1,14 @@
+local val = "1,2,3,4,5,6,0"
+--local val = "1,2,3,4,5,6,0"
+--local val = "1,2,3,4,5,6,0"
+--local val = "1,3,5"
+local repeat_var = "0000000"
+for i = 1, #val, 2 do
+    idx = string.sub(val, i, i)
+    if idx ~= tostring(0) then
+        repeat_var = string.sub(repeat_var, 0, idx - 1) .. tostring(1) .. string.sub(repeat_var, idx + 1, #repeat_var)
+    else
+        repeat_var = string.sub(repeat_var, 1, #repeat_var - 1) .. tostring(1) 
+    end
+    print(repeat_var)
+end

1_3.test_code/lua_test/1_2.test_str_sub_from_last.lua

@@ -0,0 +1,2 @@
+local str = "hello world!"
+print(string.sub(str, -3, -1))

1_3.test_code/lua_test/test.lua

@@ -0,0 +1,22 @@
+--[[print("lua")
+tmp2 = os.date("!*t")
+print(tmp2)
+tmp = os.date("*t")
+print(os.date())
+print(tmp)
+local x = os.time()
+print(x)
+]]--
+print(os.date(now))
+print(os.date("%x"))
+print(os.date("%M"))
+print(os.date("*t", now))  --table
+print(os.date("!*t", now)) --UTC
+
+--字符串形式
+local tmp = os.date(now)
+print(tmp)
+--转table
+local tmp2 = os.date("!*t", tmp)
+
+print( os.time(tmp2))

1_3.test_code/lua_test/test_str_foreach.lua

@@ -0,0 +1,38 @@
+
+---------------------Lua遍历字符串的每个字符-----------------------
+local s = "hello hi, again"  
+print(string.len(s))
+
+
+--[[----failed,expected table, not a string
+for i, v in ipairs(s) do
+    print(v)
+end
+]]--
+
+
+--[[success！
+for i = 0, #s do
+    print(string.sub(s, i, i))
+end
+]]--
+
+
+--------------------------wifi repeat代码--------------------------
+local repeat_var_from_http = "1111111"
+if string.len(repeat_var_from_http) ~= 7 then
+    print("len error")
+    return
+end
+local week_repeat = ""
+for i = 1, #repeat_var_from_http do
+    tmp = string.sub(repeat_var_from_http, i, i)
+    if tmp == "1" then
+        if(i == #repeat_var_from_http) then
+            week_repeat = week_repeat..0
+            break
+        end
+        week_repeat = week_repeat..tostring(i)..","
+    end
+end
+print(week_repeat)

1_3.test_code/lua_test/test_three_eye_char.lua

@@ -0,0 +1,2 @@
+local var = 10 > 9 and 10 or 9
+print(var)

1_3.test_code/python_test/foreach_test.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+# coding=utf-8
+
+#遍历字符串每个字符
+word = 'helloworld!'
+str = "strcat method4:  "
+for letter in word:
+    print "strcat method1:  " + letter
+    print "strcat method2:  ", letter
+    print "strcat method3:  %s" %(letter)
+    #print str.join(letter)                     #fail
+
+#遍历数组元素
+words = ['hello', 'world']
+for word in words:
+    print "word:",word
+
+#for（int i = 0； i < 10; i += 2）
+for num in range(0, 10, 2):
+    print num
+
+#index
+for index in range(len(words)):
+    print words[index]
+

1_3.test_code/sed_test/sedTest

@@ -0,0 +1,15 @@
+
+
+
+#* * * * * echo "hello" >> /cron.txt
+#* * * * * echo "face" >> /cron.txt
+#* * * * * echo "null" >> /cron.txt
+#* * * * * echo "teee" >> /cron.txt
+
+
+#* * * * * echo "test" >> /cron.txt
+
+
+
+
+

1_3.test_code/sed_test/sed命令学习.txt

@@ -0,0 +1,10 @@
+移除空白行：
+sed -i '/^$/d' file
+
+在指定行前加#号，注释该行：
+sed -i '/tacb/s/^/#/g' /etc/crontabs/root 
+
+取消#号，取消注释：
+sed -i '/hello/s/^#//' /etc/crontabs/root
+
+cat t.txt|sed -n -e 's/^#\(.*\)/\1/p'