将十六进制转储转换为 ASCII

所以我想知道是否有可能使用 Bash 或 Python 将以下十六进制代码转换为它的 ascii 输出,就像它在 xxd 中那样。因为我已经使用 OCR 从下图中获取文本。

http://img1.mukewang.com/63e1ab60000166ef10650131.jpg

有没有一种方法可以使用 bash 或 python 将以下十六进制转储转换为 ascii 字符?


(十六进制转储,只是没有 ascii 的十六进制部分)


00000690 52 4D 41 50 00 00 01 00 08 00 00 00 08 00 00 00  

000006A0 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   

000006B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   

000006C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   

000006D0 00 00 00 00 00 00 00 00 30 E0 01 04 90 9B 00 01   

000006E0 B9 4D E9 46 5B 43 00 10 B2 BA FB 46 BA 24 13 16 

000006F0 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00   

00000700 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 

有希望的输出类似于以下内容(除了文本形式而不是图像),也就是说,hexdump -C 的输出“:

http://img3.mukewang.com/63e1ab6c00014b4d07470356.jpg

扬帆大鱼
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2回答

浮云间

我希望我能很好地理解您的问题:您想从类似于以下输出的十六进制转储中打印 ASCII 字符hexdump:txt = '''00000690 52 4D 41 50 00 00 01 00 08 00 00 00 08 00 00 00000006A0 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00000006B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00000006C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00000006D0 00 00 00 00 00 00 00 00 30 E0 01 04 90 9B 00 01000006E0 B9 4D E9 46 5B 43 00 10 B2 BA FB 46 BA 24 13 16000006F0 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 0000000700 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 '''for line in txt.splitlines():&nbsp; &nbsp; if not line.strip():&nbsp; &nbsp; &nbsp; &nbsp; continue&nbsp; &nbsp; address, *nums = line.split()&nbsp; &nbsp; # printable ascii characters are from 32 to 127, else print a dot '.':&nbsp; &nbsp; print('{} {} {}'.format(address, ' '.join(nums), ''.join(chr(int(n, 16)) if 32 <= int(n, 16) <= 127 else '.' for n in nums)))印刷:00000690 52 4D 41 50 00 00 01 00 08 00 00 00 08 00 00 00 RMAP............000006A0 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................000006B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................000006C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................000006D0 00 00 00 00 00 00 00 00 30 E0 01 04 90 9B 00 01 ........0.......000006E0 B9 4D E9 46 5B 43 00 10 B2 BA FB 46 BA 24 13 16 .M.F[C.....F.$..000006F0 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 ................00000700 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

开满天机

假设两个连续的十六进制字节之间以及偏移量和第一个十六进制字节之间恰好有一个空格字符,在输入行中,bash 实现将是:$&nbsp; cat hexdump-C&nbsp;#!/bin/bashwhile read hex; do# Delete offset&nbsp; &nbsp; ascii=" ${hex#* }"# Replace non-printable bytes with a dot&nbsp; &nbsp; ascii=${ascii// [0189ABCDEF]?/.}# Replace space characters with \x&nbsp;&nbsp; &nbsp; ascii=${ascii// /\\x}# printf replaces the \xhh sequences with the corresponding characters&nbsp; &nbsp; printf "$hex |$ascii|\n"done--$&nbsp; cat data00000690 52 4D 41 50 00 00 01 00 08 00 00 00 08 00 00 00&nbsp;&nbsp;000006A0 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00&nbsp; &nbsp;000006B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00&nbsp; &nbsp;000006C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00&nbsp; &nbsp;000006D0 00 00 00 00 00 00 00 00 30 E0 01 04 90 9B 00 01&nbsp; &nbsp;000006E0 B9 4D E9 46 5B 43 00 10 B2 BA FB 46 BA 24 13 16&nbsp;000006F0 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00&nbsp; &nbsp;00000700 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00--$&nbsp; ./hexdump-C < data00000690 52 4D 41 50 00 00 01 00 08 00 00 00 08 00 00 00 |RMAP............|000006A0 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|000006B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|000006C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|000006D0 00 00 00 00 00 00 00 00 30 E0 01 04 90 9B 00 01 |........0.......|000006E0 B9 4D E9 46 5B 43 00 10 B2 BA FB 46 BA 24 13 16 |.M.F[C.....F.$..|000006F0 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 |................|00000700 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
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