Second is alister's and only allows KB input much akin to INKEY$ on this tool.
My version does not limit you to keyboard input; itt reads from standard input, which you can redirect to your heart's content. Refer to how I invoked it in my previous post.
In fact, my script is the most flexible since it can accept input from the terminal, from a file, from a pipe, from anywhere that you care to redirect. All of the other options are limited to a filename.
Regards,
Alister
---------- Post updated at 03:31 PM ---------- Previous update was at 03:20 PM ----------
Quote:
Originally Posted by MadeInGermany
I deleted the -d '' option, assuming that it is redundant with IFS="".
But in fact both are needed. Why?
IFS affects how a line is split into fields. -d affects what a line is. Loosely speaking, in AWK parlance, IFS is akin to FS and -d to RS.
Without -d, \n is the default. read consumes the newline so it cannot be assigned to the target variable. When the variable expands to an empty string, printf substitutes the zeros seen.
You can see this happening back in post #4, in wisecracker's first response to your first post in this thread:
You ain't gonna like me... ;o)
Running your code:-
NOTE: I did discover this error from the very original code I found and cured it
with the condition code I added to make it work on this Macbook Pro...
(I have the pointer to the code from stackoverflow, it is near exactly the same as
transient command 'hexdump -C filename'.)
NOTE: I did discover this error from the very original code I found and cured it
with the condition code I added to make it work on this Macbook Pro
...
I saw similar result on a Linux system. Enforcing the C/POSIX locale fixes it.
When you're experimenting with different versions of the code, always post the code that generated the output. Don't make us guess what's going on (although, in this case, I'm confident I know that this code left out the locale fix).
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10-14-2013
