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- .TH grab 1 "Mar 2014" "plc-utils-2.1.6" "Qualcomm Atheros Powerline Toolkit"
- .SH NAME
- grab - byte grabber
- .SH SYNOPSIS
- .BR grab
- .RI [ options ]
- .IR file
- .RI [ file ]
- .RI [ ... ]
- .PP
- .BR grab
- .RI [ options ]
- .RI [< stdin ]
- .RI [> stdout ]
- .SH DESCRIPTION
- Extract a range of bytes from a file and print them as an undelimited hexadecimal character string.
- .SH OPTIONS
- .TP
- -\fBl\fR \fIlength\fR
- The number of consective bytes to read.
- The \fIlength\fR may be expressed in decimal, hexadecimal or binary.
- Decimal is the default.
- Hexadecimal values start with \fB0x\fR.
- Binary values start with \fB0b\fR.
- If \fBoffset\fR plus \fIlength\fR exceeds the file size then an error will occur.
- .TP
- .RB - n
- Append a newline to each line of program output.
- The newline is suppressed by default.
- .TP
- -\fBo\fR \fIoffset\fR
- The \fBfile\fR offset of the first byte read.
- The offset may be expressed in hexadecimal or binary.
- Hexadecimal is the default.
- Binary values start with \fB0b\fR.
- If \fBoffset\fR plus \fIlength\fR exceeds the file size then an error will occur.
- .TP
- .BR -q
- Enable quiet mode which has no effect.
- .TP
- .RB - s
- Display the output as a text string instead of a hexadecimal character stream.
- If the selected data contains control characters then output may be unreadable or cause unwanted console behavior.
- .TP
- .RB - v
- Append the input filename to each line of program output.
- .TP
- .RB - ? ,-- help
- Print program help summary on stdout.
- This option takes precedence over other options on the command line.
- .TP
- .RB - ! ,-- version
- Print program version information on stdout.
- This option takes precedence over other options on the command line.
- Use this option when sending screen dumps to Atheros Technical Support so that they know exactly which version of the Linux Toolkit you are using.
- .SH ARGUMENTS
- .TP
- .IR file
- A filename.
- No assumptions are made based on filename and no filename conventions are enforced.
- More than one filename may appear on the command line.
- If no filename appears then input is read from stdin.
- .SH EXAMPLES
- None.
- .SH SEE ALSO
- .BR pad ( 1 )
- .SH CREDITS
- Charles Maier <cmaier@qca.qualcomm.com>
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