viewFormat: View a Binary File

Description Usage Arguments Details Author(s) See Also Examples

View source: R/viewFormat.R

Description

Displays the raw bytes of a file like a hex editor, showing offsets within the file, raw bytes in binary or hexadecimal form, and a human-readable representation of the bytes as either ASCII characters, integers, or real values. The file is broken up into blocks according to a supplied file format specification.

Usage

1

Arguments

...

Arguments passed to the function readFormat, most importantly, a "memFormat" describing the file format.

page

If TRUE, the output is sent to the application set up to display text files as per getOption("pager").

Details

This function is only called for its side-effect, which is to display the file.

Author(s)

Paul Murrell

See Also

readFormat viewRaw

Examples

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viewFormat(hexViewFile("rawTest.int"),
           memFormat(int1=integer4, int2=integer4))
viewFormat(hexViewFile("rawTest.int"),
           memFormat(integers=vectorBlock(integer4, 20)))

Example output

======int1 
0  :  01 00 00 00                                      |  1       
======int2 
4  :  02 00 00 00                                      |  2       
=======integers 
 0  :  01 00 00 00 02 00 00 00 03 00 00 00 04 00 00 00  |   1  2  3  4
16  :  05 00 00 00 06 00 00 00 07 00 00 00 08 00 00 00  |   5  6  7  8
32  :  09 00 00 00 0a 00 00 00 0b 00 00 00 0c 00 00 00  |   9 10 11 12
48  :  0d 00 00 00 0e 00 00 00 0f 00 00 00 10 00 00 00  |  13 14 15 16
64  :  11 00 00 00 12 00 00 00 13 00 00 00 14 00 00 00  |  17 18 19 20 

hexView documentation built on May 2, 2019, 7:02 a.m.