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| author | Paul Buetow <paul@buetow.org> | 2022-01-05 21:58:27 +0000 |
|---|---|---|
| committer | Paul Buetow <paul@buetow.org> | 2022-01-05 21:58:27 +0000 |
| commit | d89190177c33a9dcb0737dcd28a7c9781e8e668a (patch) | |
| tree | 6390b104237b753210dc4b83aca8e954e2bcb957 /gemfeed/2022-01-01-bash-golf-part-2.html | |
| parent | 7bceca514152934fd50d3e651cebebca6cdd9116 (diff) | |
Publishing new version
Diffstat (limited to 'gemfeed/2022-01-01-bash-golf-part-2.html')
| -rw-r--r-- | gemfeed/2022-01-01-bash-golf-part-2.html | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gemfeed/2022-01-01-bash-golf-part-2.html b/gemfeed/2022-01-01-bash-golf-part-2.html index a90a980d..c21ab180 100644 --- a/gemfeed/2022-01-01-bash-golf-part-2.html +++ b/gemfeed/2022-01-01-bash-golf-part-2.html @@ -19,7 +19,7 @@ jgs^^^^^^^`^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Art by Joan Stark, mod. by Paul Buetow </pre> -<p class="quote"><i>Published by Paul Buetow 2022-01-01</i></p> +<p class="quote"><i>Published by Paul Buetow 2022-01-01, last updated 2022-01-05</i></p> <p>This is the second blog post about my Bash Golf series. This series is random Bash tips, tricks and weirdnesses I came across. It's a collection of smaller articles I wrote in an older (in German language) blog, which I translated and refreshed with some new content.</p> <a class="textlink" href="./2021-11-29-bash-golf-part-1.html">Bash Golf Part 1</a><br /> <a class="textlink" href="./2022-01-01-bash-golf-part-2.html">Bash Golf Part 2 (you are reading this atm.)</a><br /> @@ -56,7 +56,15 @@ Foo ❯ echo Foo 1>&2 2>/dev/null Foo </pre> -<p>This is where you can use grouping (neither of these commands will print out anything to stdout):</p> +<p class="quote"><i>Update: A reader sent me an email and pointed out that the order of the redirections is important. </i></p> +<p>As you can see, the following will not print out anything:</p> +<pre> +❯ echo Foo 2>/dev/null 1>&2 +❯ +</pre> +<p>A good description (also pointe out by the reader) can be found here:</p> +<a class="textlink" href="https://wiki.bash-hackers.org/howto/redirection_tutorial#order_of_redirection_ie_file_2_1_vs_2_1_file">Order of redirection</a><br /> +<p>Ok, back to the original blog post. You can also use grouping here (neither of these commands will print out anything to stdout):</p> <pre> ❯ { echo Foo 1>&2; } 2>/dev/null ❯ ( echo Foo 1>&2; ) 2>/dev/null |