diff options
Diffstat (limited to 'runtime/doc/xxd.1')
| -rw-r--r-- | runtime/doc/xxd.1 | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/runtime/doc/xxd.1 b/runtime/doc/xxd.1 index d6e782a4e..e8f735859 100644 --- a/runtime/doc/xxd.1 +++ b/runtime/doc/xxd.1 @@ -123,7 +123,7 @@ added to file positions found in hexdump. start at .RI < seek > bytes abs. (or rel.) infile offset. -\fI+ fRindicates that the seek is relative to the current stdin file position +\fI+ \fRindicates that the seek is relative to the current stdin file position (meaningless when not reading from stdin). \fI\- \fRindicates that the seek should be that many characters from the end of the input (or if combined with \fI+\fR: before the current stdin file position). @@ -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\fR .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\fR .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\fR .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. @@ -192,16 +192,16 @@ The author prefers to monitor the effect of xxd with strace(1) or truss(1), when Print everything but the first three lines (hex 0x30 bytes) of .BR file . .br -\fI% xxd \-s 0x30 file +\fI% xxd \-s 0x30 file\fR .PP .br Print 3 lines (hex 0x30 bytes) from the end of .BR file . .br -\fI% xxd \-s \-0x30 file +\fI% xxd \-s \-0x30 file\fR .PP .br -Print 120 bytes as continuous hexdump with 40 octets per line. +Print 120 bytes as continuous hexdump with 20 octets per line. .br \fI% xxd \-l 120 \-ps \-c 20 xxd.1\fR .br |