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| author | Paul Buetow <paul@buetow.org> | 2024-04-30 13:14:09 +0300 |
|---|---|---|
| committer | Paul Buetow <paul@buetow.org> | 2024-04-30 13:14:09 +0300 |
| commit | 07c56086aa0c4e015c9044e333ae4001debcb28d (patch) | |
| tree | 2b2c0a3dae32313d55c6f223095612dcf0b7d779 /gemfeed/2022-01-01-bash-golf-part-2.html | |
| parent | 5ad16713db1f011c08d2db602ed5b1d3294f0939 (diff) | |
Update content for html
Diffstat (limited to 'gemfeed/2022-01-01-bash-golf-part-2.html')
| -rw-r--r-- | gemfeed/2022-01-01-bash-golf-part-2.html | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/gemfeed/2022-01-01-bash-golf-part-2.html b/gemfeed/2022-01-01-bash-golf-part-2.html index 6ff01cdf..1456d14c 100644 --- a/gemfeed/2022-01-01-bash-golf-part-2.html +++ b/gemfeed/2022-01-01-bash-golf-part-2.html @@ -8,7 +8,7 @@ <link rel="stylesheet" href="style-override.css" /> </head> <body> -<h1 style='display: inline'>Bash Golf Part 2</h1><br /> +<h1 style='display: inline' id='BashGolfPart2'>Bash Golf Part 2</h1><br /> <br /> <span class='quote'>Published at 2022-01-01T23:36:15+00:00; Updated at 2022-01-05</span><br /> <br /> @@ -29,7 +29,7 @@ jgs^^^^^^^`^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ <a class='textlink' href='./2022-01-01-bash-golf-part-2.html'>2022-01-01 Bash Golf Part 2 (You are currently reading this)</a><br /> <a class='textlink' href='./2023-12-10-bash-golf-part-3.html'>2023-12-10 Bash Golf Part 3</a><br /> <br /> -<h2 style='display: inline'>Redirection</h2><br /> +<h2 style='display: inline' id='Redirection'>Redirection</h2><br /> <br /> <span>Let's have a closer look at Bash redirection. As you might already know that there are 3 standard file descriptors:</span><br /> <br /> @@ -161,7 +161,7 @@ First line: Learn You a Haskell Second line: for Great Good </pre> <br /> -<h2 style='display: inline'>HERE</h2><br /> +<h2 style='display: inline' id='HERE'>HERE</h2><br /> <br /> <span>I have mentioned HERE-documents and HERE-strings already in this post. Let's do some more examples. The following "cat" receives a multi line string from stdin. In this case, the input multi line string is a HERE-document. As you can see, it also interpolates variables (in this case the output of "date" running in a subshell).</span><br /> <br /> @@ -244,7 +244,7 @@ Learn you a Golang for Great Good I like Perl too </pre> <br /> -<h2 style='display: inline'>RANDOM</h2><br /> +<h2 style='display: inline' id='RANDOM'>RANDOM</h2><br /> <br /> <span>Random is a special built-in variable containing a different pseudo random number each time it's used.</span><br /> <br /> @@ -289,11 +289,11 @@ Delaying script execution for 42 seconds... Continuing script execution... </pre> <br /> -<h2 style='display: inline'>set -x and set -e and pipefile</h2><br /> +<h2 style='display: inline' id='setxandseteandpipefile'>set -x and set -e and pipefile</h2><br /> <br /> <span>In my opinion, -x and -e and pipefile are the most useful Bash options. Let's have a look at them one after another.</span><br /> <br /> -<h3 style='display: inline'>-x</h3><br /> +<h3 style='display: inline' id='x'>-x</h3><br /> <br /> <span>-x prints commands and their arguments as they are executed. This helps to develop and debug your Bash code:</span><br /> <br /> @@ -335,7 +335,7 @@ Second line: for Great Good ❯ </pre> <br /> -<h3 style='display: inline'>-e</h3><br /> +<h3 style='display: inline' id='e'>-e</h3><br /> <br /> <span>This is a very important option you want to use when you are paranoid. This means, you should always "set -e" in your scripts when you need to make absolutely sure that your script runs successfully (with that I mean that no command should exit with an unexpected status code).</span><br /> <br /> @@ -454,7 +454,7 @@ Hello You! <br /> <a class='textlink' href='./2021-05-16-personal-bash-coding-style-guide.html'>./2021-05-16-personal-bash-coding-style-guide.html</a><br /> <br /> -<h3 style='display: inline'>pipefail</h3><br /> +<h3 style='display: inline' id='pipefail'>pipefail</h3><br /> <br /> <span>The pipefail option makes it so that not only the exit code of the last command of the pipe counts regards its exit code but any command of the pipe:</span><br /> <br /> |