On 11/28/06, Robert Citek <[EMAIL PROTECTED]> wrote:
> What I'd like to know is the character offset. Unfortunately, the
> following doesn't work:
>
> echo 'abcdefghijklmnopqrstuvwxyz' | grep -b --color efg
Hello Robert:
This works:
[EMAIL PROTECTED]:~$ echo -e "a\nb\nc\nd\ne\nf" | grep -b e
8:e
The man page indicates that it only works on lines of output
-b, --byte-offset
Print the byte offset within the input file before each line of
output.
So
[EMAIL PROTECTED]:~$ echo 'abcdefghijklmnopqrstuvwxyz' | grep -b --color efg
0:abcdefghijklmnopqrstuvwxyz
is correct; the byte offset of one line is zero.
Notice it includes the new lines also. See this bug report for further details:
bug #12660: byte-offset has an off-by-one error
http://savannah.gnu.org/bugs/?func=detailitem&item_id=12660
--
Kind regards,
Jonathan
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