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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2026-07-30 03:21:52 +0000 |
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| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2026-07-30 03:21:52 +0000 |
| commit | bca250b0b2a1df4ceb939b71a269f71501fda024 (patch) | |
| tree | f5e068250593ab854c215a0ec471e12b2295de0a /doc/umask.html | |
| parent | a78b3ea2b9097b0c40d7f7cfb8c03723c0d1273d (diff) | |
| download | execline-bca250b0b2a1df4ceb939b71a269f71501fda024.tar.gz | |
Prepare for 2.10.0.0; remove pedantic posix; support loopwhilex -x ""
Diffstat (limited to 'doc/umask.html')
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1 files changed, 61 insertions, 0 deletions
diff --git a/doc/umask.html b/doc/umask.html new file mode 100644 index 0000000..d837130 --- /dev/null +++ b/doc/umask.html @@ -0,0 +1,61 @@ +<html> + <head> + <meta name="viewport" content="width=device-width, initial-scale=1.0" /> + <meta name="color-scheme" content="dark light" /> + <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> + <meta http-equiv="Content-Language" content="en" /> + <title>execline: the umask command</title> + <meta name="Description" content="execline: the umask command" /> + <meta name="Keywords" content="execline command umask mask" /> + <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> --> +</head> +<body> + +<p> +<a href="index.html">execline</a><br /> +<a href="//skarnet.org/software/">Software</a><br /> +<a href="//skarnet.org/">skarnet.org</a> +</p> + +<h1> The <tt>umask</tt> program </h1> + +<p> +<tt>umask</tt> changes its file mode creation mask, then executes a program. +Alternatively, it can print the current mask. +</p> + +<h2> Interface </h2> + +<pre> + umask [ -S ] [ <em>mask</em> ] [ <em>prog...</em> ] +</pre> + +<p> +When called with no argument, <tt>umask</tt> prints the value of the +file mode creation mask of the invoking process, then exits 0. +</p> + +<p> + When called with a <em>mask</em> argument, <tt>umask</tt> changes +its file mode creation mask; then, if <em>prog...</em> is not empty, it execs +into it. +</p> + +<p> + <tt>umask</tt> interprets <em>mask</em> as specified by the +<a href="https://pubs.opengroup.org/onlinepubs/9799919799/utilities/umask.html">POSIX +specification for a <tt>umask</tt> external utility</a>. +</p> + +<h2> Notes </h2> + +<ul> + <li> <tt>umask</tt> fully conforms to the +<a href="https://pubs.opengroup.org/onlinepubs/9799919799/utilities/umask.html">POSIX +specification</a>. When <em>prog...</em> is not empty, the behaviour of a +<tt>umask</tt> utility is not specified by POSIX, so <tt>umask</tt> extends +the spec to be actually useful and usable in an execline program. </li> +</ul> + +</body> +</html> |