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>XMonad.Util.Run</TITLE
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>xmonad-contrib-0.9.1: Third party extensions for xmonad</TD
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><A HREF="src/XMonad-Util-Run.html"
>Source code</A
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>XMonad.Util.Run</FONT
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><TD ALIGN="right"
><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="infohead"
>Portability</TD
><TD CLASS="infoval"
>unportable</TD
></TR
><TR
><TD CLASS="infohead"
>Stability</TD
><TD CLASS="infoval"
>unstable</TD
></TR
><TR
><TD CLASS="infohead"
>Maintainer</TD
><TD CLASS="infoval"
>Christian Thiemann &lt;mail@christian-thiemann.de&gt;</TD
></TR
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><TD CLASS="section4"
><B
>Contents</B
></TD
></TR
><TR
><TD
><DL
><DT
><A HREF="#1"
>Usage
</A
></DT
></DL
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Description</TD
></TR
><TR
><TD CLASS="doc"
>This modules provides several commands to run an external process.
 It is composed of functions formerly defined in <A HREF="XMonad-Util-Dmenu.html"
>XMonad.Util.Dmenu</A
> (by
 Spencer Janssen), <A HREF="XMonad-Util-Dzen.html"
>XMonad.Util.Dzen</A
> (by glasser@mit.edu) and
 XMonad.Util.RunInXTerm (by Andrea Rossato).
</TD
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><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Synopsis</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="#v%3ArunProcessWithInput"
>runProcessWithInput</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; [<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
>] -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3ArunProcessWithInputAndWait"
>runProcessWithInputAndWait</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; [<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
>] -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsafeSpawn"
>safeSpawn</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/mtl-1.1.0.2/Control-Monad-Trans.html#t%3AMonadIO"
>MonadIO</A
> m =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; [<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
>] -&gt; m <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsafeSpawnProg"
>safeSpawnProg</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/mtl-1.1.0.2/Control-Monad-Trans.html#t%3AMonadIO"
>MonadIO</A
> m =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; m <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AunsafeSpawn"
>unsafeSpawn</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/mtl-1.1.0.2/Control-Monad-Trans.html#t%3AMonadIO"
>MonadIO</A
> m =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; m <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3ArunInTerm"
>runInTerm</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/xmonad-0.9.1/XMonad-Core.html#t%3AX"
>X</A
> <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsafeRunInTerm"
>safeRunInTerm</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/xmonad-0.9.1/XMonad-Core.html#t%3AX"
>X</A
> <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Aseconds"
>seconds</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ARational"
>Rational</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AspawnPipe"
>spawnPipe</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle"
>Handle</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AhPutStr"
>hPutStr</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle"
>Handle</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> ()</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AhPutStrLn"
>hPutStrLn</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle"
>Handle</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> ()</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
><A NAME="1"
><A NAME="1"
>Usage
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="doc"
><P
>For an example usage of <TT
><A HREF="XMonad-Util-Run.html#v%3ArunInTerm"
>runInTerm</A
></TT
> see <A HREF="XMonad-Prompt-Ssh.html"
>XMonad.Prompt.Ssh</A
>
</P
><P
>For an example usage of <TT
><A HREF="XMonad-Util-Run.html#v%3ArunProcessWithInput"
>runProcessWithInput</A
></TT
> see
 <A HREF="XMonad-Prompt-DirectoryPrompt.html"
>XMonad.Prompt.DirectoryPrompt</A
>, <A HREF="XMonad-Util-Dmenu.html"
>XMonad.Util.Dmenu</A
>,
 <A HREF="XMonad-Prompt-ShellPrompt.html"
>XMonad.Prompt.ShellPrompt</A
>, <A HREF="XMonad-Actions-WmiiActions.html"
>XMonad.Actions.WmiiActions</A
>,
 <A HREF="XMonad-Prompt-WorkspaceDir.html"
>XMonad.Prompt.WorkspaceDir</A
>
</P
><P
>For an example usage of <TT
><A HREF="XMonad-Util-Run.html#v%3ArunProcessWithInputAndWait"
>runProcessWithInputAndWait</A
></TT
> see
 <A HREF="XMonad-Util-Dzen.html"
>XMonad.Util.Dzen</A
>
</P
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:runProcessWithInput"
><A NAME="v%3ArunProcessWithInput"
></A
></A
><B
>runProcessWithInput</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; [<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
>] -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
></TD
><TD CLASS="declbut"
><A HREF="src/XMonad-Util-Run.html#runProcessWithInput"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns the output.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:runProcessWithInputAndWait"
><A NAME="v%3ArunProcessWithInputAndWait"
></A
></A
><B
>runProcessWithInputAndWait</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; [<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
>] -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
><TD CLASS="declbut"
><A HREF="src/XMonad-Util-Run.html#runProcessWithInputAndWait"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Wait is in s (microseconds)
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:safeSpawn"
><A NAME="v%3AsafeSpawn"
></A
></A
><B
>safeSpawn</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/mtl-1.1.0.2/Control-Monad-Trans.html#t%3AMonadIO"
>MonadIO</A
> m =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; [<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
>] -&gt; m <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
><TD CLASS="declbut"
><A HREF="src/XMonad-Util-Run.html#safeSpawn"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
><P
><TT
><A HREF="XMonad-Util-Run.html#v%3AsafeSpawn"
>safeSpawn</A
></TT
> bypasses <A HREF="XMonad-Core.html"
>XMonad.Core</A
>'s <TT
><A HREF="/usr/share/doc/ghc/html/libraries/xmonad-0.9.1/XMonad-Core.html#v%3Aspawn"
>spawn</A
></TT
> command, because spawn passes
strings to /bin/sh to be interpreted as shell commands. This is
often what one wants, but in many cases the passed string will contain
shell metacharacters which one does not want interpreted as such (URLs
particularly often have shell metacharacters like '&amp;' in them). In
this case, it is more useful to specify a file or program to be run
and a string to give it as an argument so as to bypass the shell and
be certain the program will receive the string as you typed it.
unsafeSpawn is internally an alias for XMonad's <TT
><A HREF="/usr/share/doc/ghc/html/libraries/xmonad-0.9.1/XMonad-Core.html#v%3Aspawn"
>spawn</A
></TT
>, to remind one that use
of it can be, well, unsafe.
Examples:
</P
><PRE
> , ((modm, xK_Print), unsafeSpawn &quot;import -window root $HOME/xwd-$(date +%s)$$.png&quot;)
 , ((modm, xK_d    ), safeSpawn &quot;firefox&quot; &quot;&quot;)
</PRE
><P
>Note that the unsafeSpawn example must be unsafe and not safe because
it makes use of shell interpretation by relying on <TT
>$HOME</TT
> and
interpolation, whereas the safeSpawn example can be safe because
Firefox doesn't need any arguments if it is just being started. 
</P
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:safeSpawnProg"
><A NAME="v%3AsafeSpawnProg"
></A
></A
><B
>safeSpawnProg</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/mtl-1.1.0.2/Control-Monad-Trans.html#t%3AMonadIO"
>MonadIO</A
> m =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AFilePath"
>FilePath</A
> -&gt; m <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
><TD CLASS="declbut"
><A HREF="src/XMonad-Util-Run.html#safeSpawnProg"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
><P
>Like <TT
><A HREF="XMonad-Util-Run.html#v%3AsafeSpawn"
>safeSpawn</A
></TT
>, but only takes a program (and no arguments for it). eg.
</P
><PRE
> safeSpawnProg &quot;firefox&quot;
</PRE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:unsafeSpawn"
><A NAME="v%3AunsafeSpawn"
></A
></A
><B
>unsafeSpawn</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/mtl-1.1.0.2/Control-Monad-Trans.html#t%3AMonadIO"
>MonadIO</A
> m =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; m <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
><TD CLASS="declbut"
><A HREF="src/XMonad-Util-Run.html#unsafeSpawn"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:runInTerm"
><A NAME="v%3ArunInTerm"
></A
></A
><B
>runInTerm</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/xmonad-0.9.1/XMonad-Core.html#t%3AX"
>X</A
> <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
><TD CLASS="declbut"
><A HREF="src/XMonad-Util-Run.html#runInTerm"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Open a terminal emulator. The terminal emulator is specified in <TT
>defaultConfig</TT
> as xterm by default. It is then
 asked to pass the shell a command with certain options. This is unsafe in the sense of <TT
><A HREF="XMonad-Util-Run.html#v%3AunsafeSpawn"
>unsafeSpawn</A
></TT
>
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:safeRunInTerm"
><A NAME="v%3AsafeRunInTerm"
></A
></A
><B
>safeRunInTerm</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/xmonad-0.9.1/XMonad-Core.html#t%3AX"
>X</A
> <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
><TD CLASS="declbut"
><A HREF="src/XMonad-Util-Run.html#safeRunInTerm"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Run a given program in the preferred terminal emulator; see <TT
><A HREF="XMonad-Util-Run.html#v%3ArunInTerm"
>runInTerm</A
></TT
>. This makes use of <TT
><A HREF="XMonad-Util-Run.html#v%3AsafeSpawn"
>safeSpawn</A
></TT
>.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:seconds"
><A NAME="v%3Aseconds"
></A
></A
><B
>seconds</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ARational"
>Rational</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Int.html#t%3AInt"
>Int</A
></TD
><TD CLASS="declbut"
><A HREF="src/XMonad-Util-Run.html#seconds"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
><P
>Multiplies by ONE MILLION, for functions that take microseconds.
</P
><P
>Use like:
</P
><PRE
> (5.5 `seconds`)
</PRE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:spawnPipe"
><A NAME="v%3AspawnPipe"
></A
></A
><B
>spawnPipe</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle"
>Handle</A
></TD
><TD CLASS="declbut"
><A HREF="src/XMonad-Util-Run.html#spawnPipe"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Launch an external application through the system shell and return a <TT
>Handle</TT
> to its standard input.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:hPutStr"
><A NAME="v%3AhPutStr"
></A
></A
><B
>hPutStr</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle"
>Handle</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> ()</TD
><TD CLASS="declbut"
><A HREF="src/GHC-IO-Handle-Text.html#hPutStr"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
><P
>Computation <TT
><A HREF="XMonad-Util-Run.html#v%3AhPutStr"
>hPutStr</A
></TT
> <TT
>hdl s</TT
> writes the string
 <TT
>s</TT
> to the file or channel managed by <TT
>hdl</TT
>.
</P
><P
>This operation may fail with:
</P
><UL
><LI
> <TT
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO-Error.html#v%3AisFullError"
>isFullError</A
></TT
> if the device is full; or
</LI
><LI
> <TT
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO-Error.html#v%3AisPermissionError"
>isPermissionError</A
></TT
> if another system resource limit would be exceeded.
</LI
></UL
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:hPutStrLn"
><A NAME="v%3AhPutStrLn"
></A
></A
><B
>hPutStrLn</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/GHC-IO-Handle.html#t%3AHandle"
>Handle</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> ()</TD
><TD CLASS="declbut"
><A HREF="src/System-IO.html#hPutStrLn"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>The same as <TT
><A HREF="XMonad-Util-Run.html#v%3AhPutStr"
>hPutStr</A
></TT
>, but adds a newline character.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="botbar"
>Produced by <A HREF="http://www.haskell.org/haddock/"
>Haddock</A
> version 2.6.1</TD
></TR
></TABLE
></BODY
></HTML
>