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xxd − 16 é²ãã³ããä½æããããåã«æ»ãããã

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xxd −h[elp]
xxd [options] [infile [outfile]]
xxd −r[evert] [options] [infile [outfile]]

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ãã¡ã¤ã«ãæ¨æºå¥åãã 16 é²ãã³ããä½æãã¾ãã 16 é²ãã³ãããåã®ãã¤ããªã«æ»ããã¨ãã§ãã¾ãã uuencode(1) ã uudecode(1) ã®ããã«ããã¤ããªãã¼ã¿ããã¡ã¼ã«ã«è²¼ãä»ãå¯è½ãª ASCII å½¢å¼ã«å¤æã§ããããæ¨æºåºåã«åºåãããã¨ãã§ãã¾ãã ããã«ããã¤ããªãã¡ã¤ã«ã«ããããå½ã¦ãã¨ãã使ãæ¹ãã§ãã¾ãã

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infile ãæå®ããªãã£ãå ´åã¯ãæ¨æºå¥åãèªã¿è¾¼ã¾ãã¾ãã infile ã« `−’ ãæå®ããå ´åããæ¨æºå¥åããèªã¿è¾¼ã¾ãã¾ãã outfile ãæå®ããªãã£ã (ã¾ã㯠`−’ ãæå®ãã) å ´åã¯ãæ¨æºåºåã«åºåããã¾ãã

å¼æ°ã®è§£éå¦çã¯é©å½ãªã®ã§æ³¨æãã¦ãã ããã ãã©ã¡ã¼ã¿ãåããªãå¼æ°ã¯æåã®ä¸æå- ã ããã§ãã¯ããã¾ãã å¼æ°ã®æåã¨ãã©ã¡ã¼ã¿ã®éã®ã¹ãã¼ã¹ã¯çç¥å¯è½ã§ãã ãã©ã¡ã¼ã¿ã¯ 10 é²æ°ã16 é²æ°ã8 é²æ°ã§æå®ã§ãã¾ãã −c8 ã −c 8 ã −c 010 ã −cols 8 ã¯ãã¹ã¦åãæå³ã§ãã
−a | −autoskip

ãªã¼ãã¹ããã: é£ç¶ãã nul è¡ãä¸ã¤ã® ’*’ ã§ç½®ãæããã

−b | −bits

ããã (2é²æ°) ãã³ãã 1 ãªã¯ãããã “1” 㨠“0” ã® 8 æåã§åºåããã¾ãã åè¡ã®è¡é ã«ã¯ 16 é²æ°ã®è¡çªå·ã表示ããã¾ãã è¡æ«ã«ã¯ ascii (ã¾ã㯠ebcdic) ã§è¡¨ããå ´åã®æåã表示ããã¾ãã ãã®ã¢ã¼ãã§ã¯ −rã−pã−i ã¯æ©è½ãã¾ããã

−e

ãªãã«ã¨ã³ãã£ã¢ã³ã® 16 é²ãã³ãã«åãæ¿ããã ãã®ãªãã·ã§ã³ã¯ããã¤ãã®ã°ã«ã¼ãããªãã«ã¨ã³ãã£ã¢ã³ã®ãã¤ãé ã®ã¯ã¼ãã¨ãã¦æ±ãã¾ãã æ¨æºã®ã°ã«ã¼ãã³ã°ã¯ 4 ãã¤ãã§ããã −g ã使ããã¨ã§å¤æ´å¯è½ã§ãã ãã®ãªãã·ã§ã³ã¯ 16 é²ãã³ãã®ã¿ã«é©ç¨ãããASCII (ããã㯠EBCDIC) 表示ã¯å¤æ´ããã¾ããã ãã®ã¢ã¼ãã§ã¯ −rã−pã−i ã¯æ©è½ãã¾ããã

−c cols | −cols cols

ä¸è¡ <cols> ãªã¯ãããã§åºåãããæ¨æºè¨å®ã¯ 16 (−i: 12, −ps: 30, −b: 6)ãæ大 256ã

−C | −capitalize

−i ã使ç¨ããéã«ãC ã¤ã³ã¯ã«ã¼ããã¡ã¤ã«å½¢å¼ã®å¤æ°åã大æåã«ããã

−E | −EBCDIC

å³ç«¯ã«åºåãããæåã®ã¨ã³ã³ã¼ãã£ã³ã°ã ASCII ãã EBCDIC ã«å¤æ´ããã 16 é²ãã³ãã®åºåå½¢å¼ã¯å¤æ´ããã¾ããã −rã−pã−i ãåæã«æå®ãããå ´åã¯ä½ã®å¹æãããã¾ããã

−g bytes | −groupsize bytes

åºåã <bytes> ãã¤ã (2 æåã® 16 é²æ°ãã¾ã㯠8 æåã® 2 é²æ°) ãã¨ã«ã¹ãã¼ã¹ã§åºåãã¾ãã åºåããã«åºåããã«ã¯ −g 0 ãæå®ãã¦ãã ããã <Bytes> ã®æ¨æºè¨å®ã¯ 2 ã§ããªãã«ã¨ã³ãã£ã¢ã³ã¢ã¼ãã®å ´å㯠4 ã 2 é²ãã³ãã®å ´å㯠1 ã§ãã ãã¹ãã¹ã¯ãªããå½¢å¼ãã¤ã³ã¯ã«ã¼ãå½¢å¼ã§åºåããã¨ãã¯ããã®ãªãã·ã§ã³ã¯ä½¿ããã¾ããã

−h | −help

ã³ãã³ãã®èª¬æãåºåãã¦çµäºãããå¤æã¯å®è¡ããã¾ããã

−i | −include

C ã¤ã³ã¯ã«ã¼ããã¡ã¤ã«å½¢å¼ã§åºåãã¾ãã å¥åãã¡ã¤ã«ã®ååãä»ããããéçéåã®å®ç¾©ãåºåããã¾ãã æ¨æºå¥åã®å ´åã¯å®ç¾©ã®ä¸èº«ã ãåºåããã¾ãã

−l len | −len len

<len> ãªã¯ãããã ãåºåããã

−o offset

表示ããããã¡ã¤ã«ä½ç½®ã« <offset> ãå ç®ããã

−p | −ps | −postscript | −plain

ãã¹ãã¹ã¯ãªããå½¢å¼ã® 16 é²ãã³ããåºåãããå¥å ãã¬ã¼ã³ 16 é²ãã³ãã

−r | −revert

åã«æ»ã: 16 é²ãã³ããããã¤ããªå½¢å¼ã«å¤æ (ã¾ãã¯ããã) ãã¾ãã ãã¡ã¤ã«ã¸åºåããå ´åãåºååã®ãã¡ã¤ã«ã¯åãè©°ãããã¾ããã è¡çªå·ãç¹å®ã®æ¸å¼ããªããã¬ã¼ã³ 16 é²ãã³ããèªã¿è¾¼ãå ´åã¯ã −r −p ãæå®ãã¦ãã ããã空ç½ã¨æ¹è¡ã¯ç¡è¦ããã¾ãã

−seek offset

−r ã®å¾ã§ä½¿ãããå ´å: 16 é²ãã³ããåºåãããã¡ã¤ã«ã®ä½ç½®ã« <offset> ãå ããã

−s [+][−]seek

infile ã® <seek> ãã¤ãç® (絶対ä½ç½®ãã¾ãã¯ç¸å¯¾ä½ç½®) ããéå§ããã + ã¯ãç¾å¨ã®æ¨æºå¥åã®ä½ç½®ããç¸å¯¾çãªä½ç½®ã示ãã¾ã (æ¨æºå¥åããèª- ã¿è¾¼ãã¨ãã®ã¿æå³ãããã¾ã)ã − ã¯ãå¥åã®çµããããã®æåæ°ã示ãã¾ã (+ ã¨åæã«æå®ããå ´åã¯ãç¾å¨ã®æ¨æºå¥åã®ä½ç½®ããæåã®ä½ç½®ã示ãã¾ã)ã −s å¼æ°ãæå®ããªãã£ãå ´åã¯ãç¾å¨ã®ãã¡ã¤ã«ä½ç½®ããéå§ããã¾ãã

−u

16 é²æ°ã®è¡¨è¨ã«å¤§æåã使ãã¾ããæå®ããªãå ´åã¯å°æåã§åºåããã¾ãã

−v | −version

ãã¼ã¸ã§ã³ã表示ãã¾ãã

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xxd −r ã§ã¯è¡çªå·ã®è©ä¾¡ã«é¢ãã¦ã®æé»ã®ã«ã¼ã«ãããã¤ãããã¾ãã åºåãã¡ã¤ã«ãã·ã¼ã¯å¯è½ãªããåè¡ã®è¡çªå·ãé çªéãã«ä¸¦ãã§ãªãã¦ãæ§ãã¾ããã ä½ç½®ãé£ãã§ãã¦ãéãªã£ã¦ãã¦ã大ä¸å¤«ã§ãã ãã®å ´åã次ã®ä½ç½®ã«ç§»åããããã« lseek(2) ã使ããã¾ãã åºåãã¡ã¤ã«ãã·ã¼ã¯ä¸å¯ãªãããééãã ããå¦çå¯è½ã§ãã éé㯠null ãã¤ãã§åãããã¾ãã

xxd −r ã¯ä¸æ£ãªå¥åãã¨ã©ã¼ã«ãã¾ãããã´ãã¯éãã«èªã¿é£ã°ããã¾ãã

16 é²ãã³ããç·¨éããã¨ãã¯æ³¨æãå¿è¦ã§ãã xxd −r ã¯å¿è¦ãªæ¡ (−c å¼æ°åç§) ã ã 16 é²ãã¼ã¿ãèªã¿è¾¼ãã§ãè¡ã®æ®ããç¡è¦ãã¾ãã ã¤ã¾ããascii (ã¾ã㯠ebcdic) ã示ãã¦ããåã¸ã®å¤æ´ã¯ç¡è¦ããã¾ãã xxd −r −p ã§ãã¬ã¼ã³å½¢å¼ (ãã¹ãã¹ã¯ãªããå½¢å¼) ã® 16 é²ãã³ããåã«æ»ãå ´åã¯ãåã®æ°ã¯å½±é¿ãã¾ããã 2 æ¡ã® 16 é²æ°ã¨èªèã§ãããã®ã¯ãã¹ã¦å¤æããã¾ãã

% xxd −i file
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% xxd −i < file
ã®çµæã¯éãã¾ãã注æãã¦ãã ããã

xxd −s +seek 㨠xxd −s seek, ã®éãã¯ãlseek(2) ã使ã£ã¦å¥åã “å·»ãæ»ã” ãã©ããã§ãã’+’ ãæå³ãæã¤ã®ã¯ãå¥åãæ¨æºå¥åã§ãxxd ãèµ·åãããã¨ãã«æ¨æºå¥åã®ãã¡ã¤ã«ä½ç½®ããã¡ã¤ã«ã®åé ã§ã¯ãªãã£ãå ´åã§ãã 以ä¸ã®ä¾ãåãããããããããã¾ãã (ãã£ã¨æ··ä¹±ãããã!)…

‘cat’ ãæ¢ã«æ¨æºå¥åãçµããã¾ã§èªãã§ããã®ã§ãèªãåã«æ¨æºå¥åãå·»ãæ»ãå¿è¦ãããã
% sh −c “cat > plain_copy; xxd −s 0 > hex_copy” < file

ãã¡ã¤ã«ä½ç½® 0x480 (=1024+128) åæ¹ãã 16 é²ãã³ãããã ‘+’ 㯠ãç¾å¨å°ããã®ç¸å¯¾ä½ç½®ããæå³ããã®ã§ãdd ã 1k å¦çããå¾ãããããã« ‘128’ é²ãã¾ãã
% sh −c “dd of=plain_snippet bs=1k count=1; xxd −s +128 > hex_snippet” < file

ãã¡ã¤ã«ä½ç½® 0x100 ( = 1024−768) ãã 16 é²ãã³ãããã
% sh −c “dd of=plain_snippet bs=1k count=1; xxd −s +−768 > hex_snippet” < file

ãã®ãããªä½¿ãæ¹ã¯ãã¾ããã¾ãããã‘+’ ã使ããã¨ãã»ã¨ãã©ãªãã§ãããã −s ã使ãã¨ãã¯ãã¤ã§ããstrace(1) ã truss(1) ã使ã£ã¦ãxxd ã®åãããã§ãã¯ãããã¨ããå§ããã¾ãã

ä¾

ãã¡ã¤ã« ã®æåã®ä¸è¡ (16 é²æ°ã§ 0x30 ãã¤ã) 以éãåºåããã
% xxd −s 0x30 file

ãã¡ã¤ã« ã®æå¾ããä¸è¡ (16 é²æ°ã§ 0x30 ãã¤ã) ãåºåããã
% xxd −s −0x30 file

120 ãã¤ãããå¹³æ 16 é²ãã³ãå½¢å¼ã§ä¸è¡ã« 20 ãªã¯ããããã¤åºåããã
% xxd −l 120 −ps −c 20 xxd.1
2e54482058584420312022417567757374203139
39362220224d616e75616c207061676520666f72
20787864220a2e5c220a2e5c222032317374204d
617920313939360a2e5c22204d616e2070616765
20617574686f723a0a2e5c2220202020546f6e79
204e7567656e74203c746f6e79407363746e7567

ãã® man ãã¼ã¸ã®åé ãã 120 ãã¤ããä¸è¡ã« 12 ãªã¯ãããã㤠16 é²ãã³ãããã
% xxd −l 120 −c 12 xxd.1
0000000: 2e54 4820 5858 4420 3120 2241 .TH XXD 1 “A
000000c: 7567 7573 7420 3139 3936 2220 ugust 1996″
0000018: 224d 616e 7561 6c20 7061 6765 “Manual page
0000024: 2066 6f72 2078 7864 220a 2e5c for xxd”..
0000030: 220a 2e5c 2220 3231 7374 204d “..” 21st M
000003c: 6179 2031 3939 360a 2e5c 2220 ay 1996..”
0000048: 4d61 6e20 7061 6765 2061 7574 Man page aut
0000054: 686f 723a 0a2e 5c22 2020 2020 hor:..”
0000060: 546f 6e79 204e 7567 656e 7420 Tony Nugent
000006c: 3c74 6f6e 7940 7363 746e 7567

xxd.1 ã®æ¥ä»é¨åã ããåºåããã
% xxd −s 0x36 −l 13 −c 13 xxd.1
0000036: 3231 7374 204d 6179 2031 3939 36 21st May 1996

input_file ã output_file ã«ã³ãã¼ããåé ã« 0x00 ã 100 ãã¤ãåä»ãå ããã
% xxd input_file | xxd −r −s 100 > output_file

xxd.1 ã®æ¥ä»ãä¿®æ£ããã
% echo “0000037: 3574 68” | xxd −r − xxd.1
% xxd −s 0x36 −l 13 −c 13 xxd.1
0000036: 3235 7468 204d 6179 2031 3939 36 25th May 1996

ä¸èº«ããã¹ã¦ 0x00 ã® 65537 ãã¤ãã®ãã¡ã¤ã«ãä½æããã ãã ããæå¾ã®ãã¤ãã ã㯠’A’ (hex 0x41)ã
% echo “010000: 41” | xxd −r > file

ä½æãããã¡ã¤ã«ããªã¼ãã¹ãããã使ã£ã¦ 16 é²ãã³ãããã
% xxd −a −c 12 file
0000000: 0000 0000 0000 0000 0000 0000 …………
bodies manpages.csv script_extrae_body.sh script.sh usr
000fffc: 0000 0000 40 ….A

ä¸æåã® ’A’ ãããªã 1 ãã¤ãã®ãã¡ã¤ã«ãä½æããã
’−r −s’ ã®å¾ã«æå®ããæ°å¤ããã¡ã¤ã«ä¸- ã®è¡çªå·ã«å ç®ãããçµæãä½è¨ãªãã¤ããé£ã°ãããã
% echo “010000: 41” | xxd −r −s −0x10000 > file

vim(1) ã®ä¸ãã xxd ããã£ã«ã¿ã¨ãã¦å®è¡ãã ãã¼ã¯ããã ‘a’ ãã ‘z’ ã¾ã§ã®é åã 16 é²ãã³ãããã
:’a,’z!xxd

vim(1) ã®ä¸ãã xxd ããã£ã«ã¿ã¨ãã¦å®è¡ãã ãã¼ã¯ããã ‘a’ ãã ‘z’ ã¾ã§ã®é åããã¤ããªã«æ»ãã
:’a,’z!xxd −r

vim(1) ã®ä¸ãã xxd ããã£ã«ã¿ã¨ãã¦å®è¡ãã16 é²ãã³ããããè¡ãåã«æ»ãã æ»ãããè¡ã«ã«ã¼ã½ã«ã移åãã¦:
!!xxd −r

ã·ãªã¢ã«è¡ããä¸æåèªã¿è¾¼ã
% xxd −c1 < /dev/term/b &
% stty < /dev/term/b −echo −opost −isig −icanon min 1
% echo −n foo > /dev/term/b

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以ä¸ã®ã¨ã©ã¼å¤ãè¿ãã¾ã:

	0		ã¨ã©ã¼ãªãã
	−1		æä½ããµãã¼ãããã¦ããªã ( xxd −r −i ã¯ã¾ã ä¸å¯ã§ã)ã
	1		å¼æ°ã®è§£éã«é¢ããã¨ã©ã¼ã
	2		å¥åãã¡ã¤ã«ã«é¢ããåé¡ã
	3		åºåãã¡ã¤ã«ã«é¢ããåé¡ã
	4,5		æå®ãããä½ç½®ã¸ã·ã¼ã¯ã§ããªãã£ãã

é¢é£é ç®

uuencode(1), uudecode(1), patch(1)

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ãã®å¥å¦ãªãã¼ã«ã¯ä½èã使ããããããã«ä½ããã¦ãã¾ãã èªå·±è²¬ä»»ã§ä½¿ã£ã¦ãã ããããã¡ã¤ã«ãã³ãã¼ããããã調ã¹ãã¦ã£ã¶ã¼ãããã

ãã¼ã¸ã§ã³

ãã®ããã¥ã¢ã«ã¯ xxd ãã¼ã¸ã§ã³ 1.7 ã«ã¤ãã¦èª¬æãã¦ãã¾ãã

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(c) 1990-1997 by Juergen Weigert

ç§ã®å績ã¨ãã¦èªç±ã«éå¸ãã¦ãã ããã
å²ãã£ããæãã¦ãã ããã
æãã¦ãç¥ãã¾ããã

ããã¥ã¢ã«ã¯ Tony Nugent

ã«ãã£ã¦æ¸ããã Bram Moolenaar ãå°ãå¤æ´ãå ãã Juergen Weigert ãç·¨éãã¾ããã

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