Learning is not compulsory. Neither is survival.
W. Edwards Deming
I am doing a startup!
Cross-browser testing from your browser!
I have written my fourth book!
Be faster than Larry Wall in the shell!
You're viewing a comment by Alan and its responses.
Thanks for a comprehensively informative article on a (traditionally) confusing area.
I tried out some of the commands, and nearly made it all the way to the end. Separation of stderr and stdout (point 22 in article) led to actual output which differed from expected though. I tried this:
$ touch one.txt
$ rm -rf two.txt
$ ls one.txt two.txt > >(sed "s/^/O /") 2> >(sed "s/^/E /")
O E /bin/ls: cannot access two.txt: No such file or directory
On that final line I was expecting it to start with "E /bin/ls ...". Any ideas why the actual output starts with "O E /bin/ls ..." instead?
P.S.: Same behaviour on bash 3.1.17, 3.2.48 and 4.1.5
$ ls one.txt two.txt > >(sed "s/^/O /") 2> >(sed "s/^/E /" 1>&2)
E /bin/ls: cannot access two.txt: No such file or directory
This does the trick. But don't ask me why, it was just a guess.
(why do I need your e-mail?)
It would be nice if you left your e-mail address. Sometimes I want to send a private message, or just thank for the great comment. Having your e-mail really helps.
I will never ever spam you.
(Your twitter handle, if you have one.)
* use <pre>...</pre> to insert a plain code snippet.
* use <pre lang="lang">...</pre> to insert a syntax highlighted code snippet.
For example, <pre lang="python">...</pre> will insert Python highlighted code.
* use <code>...</code> to highlight a variable or a single shell command.
* use <a href="url" nospam>title</a> to insert links.
<a href="url" nospam>title</a>
* use other HTML tags, such as, <b>, <i>, <blockquote>, <sup>, <sub> for text formatting.
Type the word "halflife3_329": (just to make sure you're a human)
Please preview the comment before submitting to make sure it's OK.
Peter Krumins' blog about programming, hacking, software reuse, software ideas, computer security, browserling, google and technology.
Reach me at:
Or meet me on:
Subscribe through an RSS feed:
Subscribe through email:
Enter your email address:
Delivered by FeedBurner
See all top articles
See all downloads
See more detailed list of recent articles
See more detailed category information
See more detailed list of all articles