[转]linux下进制转换的shell脚本

转载

mob604756fc844f 2011-12-08 12:18:00

1. 

2. #!/bin/bash  
3. while true  
4. do  
5. echo "#############################################################"  
6. echo "# Author:                netcat                             #"  
7. echo "# Lable:                 jinzhi.sh                          #"  
8. echo "# QQ:                    297020555                          #"  
9. echo "# Create Date:           2011-06-17                         #"  
10. echo "# Version:               v1.0                               #"  
11. echo "#############################################################"  
12. echo ""  
13. 
echo "1  2 ---> 8"     #二进制转换成八进制  

14. 
echo "2  2 ---> 10"    #二进制转换成十进制   

15. 
echo "3  2 ---> 16"    #二进制转换成十六进制    

16. 
echo "4  8 ---> 2"     #八进制转换成二进制   

17. 
echo "5  8 ---> 10"    #八进制转换成十进制  

18. 
echo "6  8 ---> 16"    #八进制转换成十六进制  

19. 
echo "7  10 ---> 2"    #十进制转换成二进制  

20. 
echo "8  10 ---> 8"    #十进制转换成八进制  

21. 
echo "9  10 ---> 16"   #十进制转换成十六进制  

22. 
echo "10 16 ---> 2"    #十六进制转换成二进制  

23. 
echo "11 16 ---> 8"    #十六进制转换成八进制  

24. 
echo "12 16 ---> 10"   #十六进制转换成十进制  

25. echo "13   exit"       #退出   
26. echo ""  
27. echo "enter your select:"  #输入选择  
28. read ans                   #读取选择的值，赋值给ans  
29. case $ans in               #读取$ans的值  
30. 1)                         #如果ans为1时  
31. read -p  "enter your num:" num #输入你要转换的数，赋值给num  
32. 
a=`echo $num|tr "[2-9][a-z][A-Z]" "[4-5][A-Z][a-z]"`  #对num进行判断  

33. if [ $num != $a ]   #如果num不等于a  
34. then  
35. echo -e "\033[40;31;5m failt \033[0m"  #说明输入的num值不符合二进制数的标准（0和1）    
36. sleep 2          #停顿2s  
37. else              #否则的话，num符合二进制的标准  
38. 
result=`echo "obase=8;ibase=2;$num"|bc`  #把num转换成八进制，赋值给result  

39. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m" #输出result的值  
40. sleep 4     #停顿4s  
41. fi  
42. ;;  
43. 2)  
44. read -p  "enter your num:" num  
45. 
a=`echo $num|tr "[2-9][a-z][A-Z]" "[4-5][A-Z][a-z]"`  

46. if [ $num != $a ]  
47. then  
48. echo -e "\033[40;31;5m failt \033[0m"  
49. sleep 2  
50. else  
51. 
result=`echo "obase=10;ibase=2;$num"|bc`  #需要注意：obase在前，ibase在后，不然会出错  

52. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
53. sleep 4  
54. fi  
55. ;;  
56. 3)  
57. read -p  "enter your num:" num  
58. 
a=`echo $num|tr "[2-9][a-z][A-Z]" "[4-5][A-Z][a-z]"`  

59. if [ $num != $a ]  
60. then  
61. echo -e "\033[40;31;5m failt \033[0m"  
62. sleep 2  
63. else  
64. 
result=`echo "obase=16;ibase=2;$num"|bc`  

65. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
66. sleep 4  
67. fi  
68. ;;  
69. 4)  
70. read -p  "enter your num:" num  
71. 
a=`echo $num|tr "[8-9][a-z][A-Z]" "[4-5][A-Z][a-z]"` #判断是否符合八进制标准  

72. if [ $num != $a ]  
73. then  
74. echo -e "\033[40;31;5m failt \033[0m"  
75. sleep 2  
76. else  
77. 
result=`echo "obase=2;ibase=8;$num"|bc`  

78. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
79. sleep 4  
80. fi  
81. ;;  
82. 5)  
83. read -p  "enter your num:" num  
84. 
a=`echo $num|tr "[8-9][a-z][A-Z]" "[4-5][A-Z][a-z]"`  

85. if [ $num != $a ]  
86. then  
87. echo -e "\033[40;31;5m failt \033[0m"  
88. sleep 2  
89. else  
90. 
result=`echo "obase=10;ibase=8;$num"|bc`  

91. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
92. sleep 4  
93. fi  
94. ;;  
95. 6)  
96. read -p  "enter your num:" num  
97. 
a=`echo $num|tr "[8-9][a-z][A-Z]" "[4-5][A-Z][a-z]"`   

98. if [ $num != $a ]  
99. then  
100. echo -e "\033[40;31;5m failt \033[0m"  
101. sleep 2  
102. else  
103. 
result=`echo "obase=16;ibase=8;$num"|bc`  

104. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
105. sleep 4  
106. fi  
107. ;;  
108. 7)  
109. read -p  "enter your num:" num  
110. 
a=`echo $num|tr "[a-z][A-Z]" "[A-Z][a-z]"` #判断是否符合十进制标准  

111. if [ $num != $a ]  
112. then  
113. echo -e "\033[40;31;5m failt \033[0m"  
114. sleep 2  
115. else  
116. 
result=`echo "obase=2;ibase=10;$num"|bc`  

117. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
118. sleep 4  
119. fi  
120. ;;  
121. 8)  
122. read -p  "enter your num:" num  
123. 
a=`echo $num|tr "[a-z][A-Z]" "[A-Z][a-z]"`  

124. if [ $num != $a ]  
125. then  
126. echo -e "\033[40;31;5m failt \033[0m"  
127. sleep 2  
128. else  
129. 
result=`echo "obase=8;ibase=10;$num"|bc`  

130. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
131. sleep 4  
132. fi  
133. ;;  
134. 9)  
135. read -p  "enter your num:" num  
136. 
a=`echo $num|tr "[a-z][A-Z]" "[A-Z][a-z]"`  

137. if [ $num != $a ]  
138. then  
139. echo -e "\033[40;31;5m failt \033[0m"  
140. sleep 2  
141. else  
142. 
result=`echo "obase=16;ibase=10;$num"|bc`  

143. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
144. sleep 4  
145. fi  
146. ;;  
147. 10)  
148. read -p  "enter your num:" num  
149. 
a=`echo $num|tr "[g-z]" "[G-Z]"`  #判断是否符合十六进制标准  

150. if [ $num != $a ]  
151. then  
152. echo -e "\033[40;31;5m failt \033[0m"  
153. sleep 2  
154. else  
155. 
num=`echo $num|tr "[a-f]" "[A-F]"` #不知道为什么，十六进制只是别大写字母，所以在这把小写的转成大写，大写的不变  

156. 
result=`echo "obase=2;ibase=16;$num"|bc`  

157. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
158. sleep 4  
159. fi  
160. ;;  
161. 11)  
162. read -p  "enter your num:" num  
163. 
a=`echo $num|tr "[g-z]" "[G-Z]"`  

164. if [ $num != $a ]  
165. then  
166. echo -e "\033[40;31;5m failt \033[0m"  
167. sleep 2  
168. else  
169. 
num=`echo $num|tr "[a-f]" "[A-F]"`  

170. 
result=`echo "obase=8;ibase=16;$num"|bc`  

171. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
172. sleep 4  
173. fi  
174. ;;  
175. 12)  
176. read -p  "enter your num:" num  
177. 
a=`echo $num|tr "[g-z]" "[G-Z]"`  

178. if [ $num != $a ]  
179. then  
180. echo -e "\033[40;31;5m failt \033[0m"  
181. sleep 2  
182. else  
183. 
num=`echo $num|tr "[a-f]" "[A-F]"`  

184. 
result=`echo "obase=10;ibase=16;$num"|bc`  

185. echo -e "\033[40;32;1m result is \033[40;31;5m $result\033[0m"  
186. sleep 4  
187. fi  
188. ;;  
189. 13)  
190. exit  
191. ;;  
192. *)  
193. echo -e "\033[40;31;5m failt \033[0m"  
194. sleep 2  
195. ;;  
196. esac  
197. done 
198.