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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/forbacktickx.html | 5 | ||||
| -rw-r--r-- | doc/forstdin.html | 78 | ||||
| -rw-r--r-- | doc/index.html | 3 | ||||
| -rw-r--r-- | doc/upgrade.html | 7 |
4 files changed, 91 insertions, 2 deletions
diff --git a/doc/forbacktickx.html b/doc/forbacktickx.html index 0780f3d..979a483 100644 --- a/doc/forbacktickx.html +++ b/doc/forbacktickx.html @@ -76,7 +76,10 @@ split <em>x</em>. </li> <ul> <li> You can start <em>loop...</em> with "import -u <em>variable</em>" -to perform variable substitution. +to perform variable substitution. </li> + <li> forbacktickx is now implemented as a trivial wrapper around the +<a href="pipeline.html">pipeline</a> and +<a href="forstdin.html">forstdin</a> commands. </li> </ul> </body> diff --git a/doc/forstdin.html b/doc/forstdin.html new file mode 100644 index 0000000..e4c5534 --- /dev/null +++ b/doc/forstdin.html @@ -0,0 +1,78 @@ +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> + <meta http-equiv="Content-Language" content="en" /> + <title>execline: the forstdin command</title> + <meta name="Description" content="execline: the forstdin command" /> + <meta name="Keywords" content="execline command forstdin" /> + <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> --> + </head> +<body> + +<p> +<a href="index.html">execline</a><br /> +<a href="http://skarnet.org/software/">Software</a><br /> +<a href="http://skarnet.org/">skarnet.org</a> +</p> + +<h1> The <tt>forstdin</tt> program </h1> + +<p> +<tt>forstdin</tt> uses its input as loop elements to +run another program. +</p> + +<h2> Interface </h2> + +<p> + In an <a href="execlineb.html">execlineb</a> script: +</p> + +<pre> + forstdin [ -p | -o <em>okcodes</em> | -x <em>breakcodes</em> ] [ -n ] [ -C | -c ] [ -0 | -d <em>delim</em> ] <em>variable</em> <em>loop...</em> +</pre> + +<ul> + <li> <tt>forstdin</tt> reads its standard input as it becomes available, +<a href="el_transform.html#split">splitting</a> it automatically. </li> + <li> For every argument <em>x</em> in the split output, +<tt>forstdin</tt> runs <em>loop...</em> as a child process, with +<em>variable</em>=<em>x</em> added to its environment. </li> + <li><tt>forstdin</tt> then exits 0. +</ul> + +<h2> Options </h2> + +<ul> + <li> <tt>-p</tt> : parallel mode. Do not wait for a <em>loop...</em> +instance to finish before spawning the next one. <em>forbacktickx</em> will +still wait for all instances of <em>loop</em> to terminate before +exiting, though. </li> + <li> <tt>-0</tt> : accept null characters on its stdin, +using them as delimiters. If this option and a <tt>-d</tt> option are +used simultaneously, the rightmost one wins. </li> + <li> <tt>-o</tt> <em>okcodes</em> : <em>okcodes</em> must +be a comma-separated list of exit codes. If the <tt>-p</tt> flag +hasn't been given and <em>loop</em> exits with one of the codes in +<em>okcodes</em>, +forstdin will run the following instances of the loop, but if the exit code is +not listed in <em>okcodes</em>, forstdin will exit immediately with an +<a href="exitcodes.html">approximation</a> of the same exit code. </li> + <li> <tt>-x</tt> <em>breakcodes</em> : like the previous +option, but with inverted meaning - the listed exit codes are codes +that will make forstdin break the loop and exit, and the unlisted exit +codes will make it keep looping. </li> + <li> Other options are used to <a href="el_transform.html">control +the substitution mechanism</a> for every <em>x</em>. Of course, you can't +split <em>x</em>. </li> +</ul> + +<h2> Notes </h2> + +<ul> + <li> You can start <em>loop...</em> with "import -u <em>variable</em>" +to perform variable substitution. </li> +</ul> + +</body> +</html> diff --git a/doc/index.html b/doc/index.html index 5b19477..bc2e020 100644 --- a/doc/index.html +++ b/doc/index.html @@ -66,7 +66,7 @@ library. </li> <h3> Download </h3> <ul> - <li> The current released version of execline is <a href="execline-2.1.0.0.tar.gz">2.1.0.0</a>. </li> + <li> The current released version of execline is <a href="execline-2.1.1.0.tar.gz">2.1.1.0</a>. </li> <li> Alternatively, you can checkout a copy of the execline git repository: <pre> git clone git://git.skarnet.org/execline </pre> </li> </ul> @@ -167,6 +167,7 @@ to your installation: the shebang lines for your system might be something like </p> <ul> <li><a href="forx.html">The <tt>forx</tt> program</a></li> +<li><a href="forstdin.html">The <tt>forstdin</tt> program</a></li> <li><a href="forbacktickx.html">The <tt>forbacktickx</tt> program</a></li> <li><a href="loopwhilex.html">The <tt>loopwhilex</tt> program</a></li> </ul> diff --git a/doc/upgrade.html b/doc/upgrade.html index b66a215..ce0e74f 100644 --- a/doc/upgrade.html +++ b/doc/upgrade.html @@ -17,6 +17,13 @@ <h1> What has changed in execline </h1> +<h2> in 2.1.1.0 </h2> + +<ul> + <li> <a href="forstdin.html">forstdin</a> added </li> + <li> forbacktickx rewritten as a wrapper around pipeline and forstdin </li> +</ul> + <h2> in 2.1.0.0 </h2> <ul> |