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updated for version 7.0c

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This commit is contained in:
Bram Moolenaar
2006-03-27 17:01:56 +00:00
parent 899dddf888
commit 3991dab8e0
181 changed files with 489 additions and 265 deletions
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24
runtime/doc/xxd.1
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@ -161,7 +161,7 @@ and
.br
\fI% xxd \-i < file\fR
.PP
.I xxd \-s \+seek
.I xxd \-s +seek
may be different from
.IR "xxd \-s seek" ,
as lseek(2) is used to "rewind" input. A '+'
@ -172,17 +172,17 @@ The following examples may help to clarify (or further confuse!)...
Rewind stdin before reading; needed because the `cat' has already read to the
end of stdin.
.br
\fI% sh \-c 'cat > plain_copy; xxd \-s 0 > hex_copy' < file
\fI% sh \-c "cat > plain_copy; xxd \-s 0 > hex_copy" < file
.PP
Hexdump from file position 0x480 (=1024+128) onwards.
The `+' sign means "relative to the current position", thus the `128' adds to
the 1k where dd left off.
.br
\fI% sh \-c 'dd of=plain_snippet bs=1k count=1; xxd \-s +128 > hex_snippet' < file
\fI% sh \-c "dd of=plain_snippet bs=1k count=1; xxd \-s +128 > hex_snippet" < file
.PP
Hexdump from file position 0x100 ( = 1024\-768) on.
.br
\fI% sh \-c 'dd of=plain_snippet bs=1k count=1; xxd \-s +-768 > hex_snippet' < file
\fI% sh \-c "dd of=plain_snippet bs=1k count=1; xxd \-s +\-768 > hex_snippet" < file
.PP
However, this is a rare situation and the use of `+' is rarely needed.
The author prefers to monitor the effect of xxd with strace(1) or truss(1), whenever \-s is used.
@ -190,15 +190,13 @@ The author prefers to monitor the effect of xxd with strace(1) or truss(1), when
.PP
.br
Print everything but the first three lines (hex 0x30 bytes) of
.B file
\.
.BR file .
.br
\fI% xxd \-s 0x30 file
.PP
.br
Print 3 lines (hex 0x30 bytes) from the end of
.B file
\.
.BR file .
.br
\fI% xxd \-s \-0x30 file
.PP
@ -259,13 +257,13 @@ to
.B output_file
and prepend 100 bytes of value 0x00.
.br
\fI% xxd input_file | xxd \-r \-s 100 \> output_file\fR
\fI% xxd input_file | xxd \-r \-s 100 > output_file\fR
.br
.br
Patch the date in the file xxd.1
.br
\fI% echo '0000037: 3574 68' | xxd \-r \- xxd.1\fR
\fI% echo "0000037: 3574 68" | xxd \-r \- xxd.1\fR
.br
\fI% xxd \-s 0x36 \-l 13 \-c 13 xxd.1\fR
.br
@ -275,7 +273,7 @@ Patch the date in the file xxd.1
Create a 65537 byte file with all bytes 0x00,
except for the last one which is 'A' (hex 0x41).
.br
\fI% echo '010000: 41' | xxd \-r \> file\fR
\fI% echo "010000: 41" | xxd \-r > file\fR
.PP
.br
Hexdump this file with autoskip.
@ -292,7 +290,7 @@ Create a 1 byte file containing a single 'A' character.
The number after '\-r \-s' adds to the linenumbers found in the file;
in effect, the leading bytes are suppressed.
.br
\fI% echo '010000: 41' | xxd \-r \-s \-0x10000 \> file\fR
\fI% echo "010000: 41" | xxd \-r \-s \-0x10000 > file\fR
.PP
Use xxd as a filter within an editor such as
.B vim(1)
@ -355,7 +353,7 @@ This manual page documents xxd version 1.7
.br
(c) 1990-1997 by Juergen Weigert
.br
<jnweiger@informatik.uni-erlangen.de>
<jnweiger@informatik.uni\-erlangen.de>
.LP
Distribute freely and credit me,
.br