参考：

strings -a -t x filename | grep foobar

 

daniel@daniel-mint ~/latex/linux/itext/daniel $ hexdump -C asm_daniel_obj_2.bin 00000000  32 20 30 20 6f 62 6a 0a  3c 3c 2f 4c 65 6e 67 74  |2 0 obj.<>stream.|00000030  78 9c 2b e4 72 0a e1 32  36 53 30 33 34 52 08 49  |x.+.r..26S034R.I|00000040  e1 32 50 d0 35 b4 00 31  f4 dd 0c 15 40 42 69 5c  |.2P.5..1....@Bi\|00000050  1a 1e a9 39 39 f9 0a e1  f9 45 39 29 8a 0a 10 4e  |...99....E9)...N|00000060  40 6a 7e 41 4e 2a 8c 17  9c 5d 09 67 96 e6 c1 98  |@j~AN*...].g....|00000070  be f9 f9 30 b6 66 48 16  d0 64 03 14 0b 34 82 4b  |...0.fH..d...4.K|00000080  12 8b 8a 15 91 a4 5c 43  b8 02 b9 00 fc 98 26 ef  |......\C......&.|00000090  0a 65 6e 64 73 74 72 65  61 6d 0a 65 6e 64 6f 62  |.endstream.endob|000000a0  6a 0a                                             |j.|000000a2

　　

　　

 

daniel@daniel-mint ~/latex/linux/itext/daniel $ grep -Ubo --binary-file=text stream asm_daniel_obj_2.bin 41:stream148:stream

　　

查找单个字符

daniel@daniel-mint ~/latex/linux/itext/daniel $ hexdump -v -e "1/1 \" %02x\n\"" asm_daniel_obj_2.bin | grep -n '0a'8: 0a48: 0a54: 0a87: 0a94: 0a145: 0a155: 0a162: 0a