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XMonad


Contents


1 Quick Introductions to Haskell

For a brief overview of haskell syntax, see Tour of the Haskell Syntax. For style suggestions and explanations of how to use layout aka whitespace, see Ian's Guide to Good Haskell Style and this wikibook regarding indentation and whitespace. For more in-depth treatments of Haskell syntax and learning how to program in Haskell, see the sidebar Learning links on haskell.org.

2 XMonad Configuration Examples

For more screenshots see the Xmonad/Screenshots archive.

EwmhDesktops users upgrading to xmonad-0.9.* , please note layoutHook, handleEventHook, startupHook change. For more information about how to update your Ewmh configuration, and other changes that may require edits to
xmonad.hs
, see the 0.9 release changelog.

2.1 Template xmonad config files

/Template xmonad.hs (0.9) -- (Or for darcs: /Template xmonad.hs (darcs))

The template xmonad.hs file shows all the default xmonad settings; it is merely a slightly modified reference copy of the XMonad source module which sets up the configuration. Note that while this file is usable, it contains lots of uneeded extra settings; normally you would only include and customize the parts you want to change. If you don't want to use the minimal style as shown in the following tutorial, you can copy-and-paste from the template instead.

For a plain text version of the template see the man/xmonad.hs file distributed with xmonad source, or you can download the latest darcs template xmonad.hs from code.haskell.org.

2.2 Minimal xmonad config files

The Arch Linux introduction to configuring XMonad is a good place to start.

Also see the John Goerzen tutorial for an example of customizing a minimal xmonad.hs like the following:

import XMonad
 
main = xmonad defaultConfig
        { modMask = mod4Mask -- Use Super instead of Alt
        , terminal = "urxvt"
        -- more changes
        }

2.3 Configs requiring the darcs (development) version of XMonad

/adamvo's xmonad.hs (darcs)
XMobars for multiple screens (xmobar>0.9.2), mediaKeys, SubLayouts, TopicSpace, support for replacing and temporarily running other window managers, extensive gridselect usage.
Adamvo-single-screen.png
Adamvo-gridselect.png
/And1's xmonad.hs (darcs)
mirrored layout, manageHook, dynamicLog with dzen, conky piped into dzen,
urgency hints, perWorkspace layouts, gimpLayout, PP for dzen and xmobar,
custom keys with application shortcuts and mpd controls, gridSelect;
more of my screenshots can be found in my screenshots/ directory
And1 xmonad.png
/Brent Yorgey's darcs xmonad.hs (darcs)
modMask = mod4Mask; DynamicLog, RotView, ViewPrev, WindowNavigation, ToggleLayouts (toggle full screen mode), UrgencyHook + dzen, FlexibleManipulate, a bunch of Prompts, Submap, Search, and a few others, with keybindings for all! (Warning: lots of non-standard keybindings. =)
Byorgey-config.png
/Marcot's xmonad.hs (darcs)
With Gnome support and Multimedia Keyboard configuration
Marcot
/Nnoell's xmonad.hs (darcs)
/Nnoell's topstatusbar.sh
dzen clickable workspaces, conky piped into dzen, toggle tabbed layout, scratchpad and some other cool things.
NNoeLLs Desktop 2011-08-31.png
/Thayer Williams' xmonad.hs (0.9)
A simple, mouse-friendly xmonad config geared towards netbooks and other low-resolution devices. Dzen is used for statusbar rendering, with optional mouse integration provided by xdotool.
Thayer-xmonad-20110511.png
/TTimo xmonad.hs(0.10)
Basic config with xmobar, hopefully a good starting point for more complex setups

2.4 Configs for the current XMonad release (0.9.*)

Many of these will also work with the darcs version of XMonad.

/31d1's xmonad.hs (darcs/gnome)
/jelly(12gen)'s xmonad.hs (0.9)
/jelly(12gen)'s xmobarrc
Standard setup using ShellPrompt, Actions.Search, xmobar, urgencyhook, custsom keybindings and scratchpad.
Screenshot 090711.png
/Andrea Rossato's xmonad.hs (0.8)
Tabbed, Xmobar with DynamicLog, (Shell|Ssh|Man)Prompt.
Arossato-config.png
/Andrea Spada xmonad.hs (0.8)
Tall, Resizable Mosaic and Combo, EvmhDesktops, additional keybindings - Work In Progress...
/andrewsw's xmonad.hs (0.8)
/andrewsw's .Xdefault
These screenshots show some compositing and nice transparent urxvt's with a circle layout and a magnified grid layout.
/avendael's xmonad.hs(0.9)
/avendael's .conky_bar
A very simple xmonad configuration that has conky piped into dzen with icons.
Workspace names are also changed into icons just for fun ;)
Avendael xmonad.png
/brad's xmonad.hs (0.8)
very basic, just some cosmetic and key-shortcut changes
Brad.png


/David Beckingsale's xmonad.hs(0.9)
Xmonad config using the zenburn colour scheme. Uses custom keybindings for frequent tasks. Status bar is conky powered dzen2
/David Roundy's xmonad.hs (0.8)
Combo config for small screen + xclock. This config also keeps mod=mod1, and therefore moves a number of key bindings to non-standard locations (my laptop has no spare modifier keys).
Droundy-config.png
/dmwit's xmonad.hs (0.9 + darcs from about March 2010)
/dmwit's .xmobarrc
A somewhat screen-count-agnostic config, as I use this same file on machines with several different physical setups. Auxiliary apps: trayer, xmobar, dzen, yeganesh; layouts: fullscreen and Grid, with independent workspaces on each screen. Uses some unapplied patches to xmobar.
Dmwit-config.png
/doitan's xmonad.hs (0.8)
libnotify UrgencyHook, many features from tips and tricks page integrated, many custom prompts including workspace and layout switching. dotfiles
/Don's xmonad.hs (0.9)
colours, use custom terminal, dynamicLogDzen
Xmonad-screen-dons-code.png
/enko's xmonad.hs (0.8)
I'm using xmobar and mostly tall layout (but in really it is just fullscreenlayout since there aren't any other windows). The config is accumulated stuff and could be cleaned of cruft, but since I don't know ATM what is cruft and what not, it is not an option, but it works for me™. I'm using urxvt as a terminal and the mailer you can see there is wanderlust for emacs. You can also see my screen setup at the bottom.
2008-10-20-205748 1680x1050 scrot.png
/eschulte xmonad.hs (0.9)
Basic config for running overtop of the XFCE (in this case Xubuntu) desktop, with the XFCE panel shown.
Eschulte.png
/gray_hemp's xmonad.hs (0.9)
/gray_hemp's .conky_cpu
/gray_hemp's .conky_battery
/gray_hemp's .conky_time
/gray_hemp's .xxkbrc
dzen plus conky config using dzen icons, resizable tall, xmonad shell prompt, urgency popup, status bar formatting, xxkb keyboard indicator.
Gray hemp.png
/Gwern's xmonad.hs (darcs)
Ratpoison-y keybindings; example usage of XSelection.
/Herzen's xmonad.hs (0.9)
Integrates with the Gnome Panel. This config uses the Gnome Panel both to display xmonad's status (using the Gnome Workspace Switcher applet, based on John Yates' config) and to display the current window's title (using awick's xmonad log applet).
/hgabreu's xmonad.hs (darcs)
One screen, SubLayouts, FadeInactive (with custom toggle fade), case insensitive shell prompt, heavy manageHook and keybindings customization.
/Ivy Foster's xmonad.hs (0.9.2)
One screen; xmobar; customized ManageHooks; NamedScratchPads
Ivy-foster-xmonad-screenshot.png
/John Goerzen's Configuration and Tutorial (0.8)
A step-by-step guide to customizing Xmonad, starting from where the tutorial leaves off, getting to a configuration with xmobar and simple but intentionally minimal customizations in xmonad.hs
John-goerzen-xmonad-screenshot.png
/John Yates' polished Gnome bar (0.8)
This is an attempt to provide an easy path into the world of tiling window managers for colleagues using recent Ubuntu and RedHat distributions. Emphasis is on visual integration with familar UI elements while conforming to widespread tiling WM idioms: (1) a single bar, (2) no window decoration, (3) current window's title display in the bar. Starting from a vanilla Ubuntu Gnome setup I eliminated the lower Gnome panel and its applets. On the remaining upper panel I included left to right: (1) a standard Gnome separator applet, (2) the Gnome Window Selector applet, (3) dzen2 built with Xft support displaying the current window's title, (4) the Gnome Workspace Switcher applet:
John-yates-gnome-bar.png
The Window Selector icon tracks the displayed window title. Clicking on that icon activates the selector, displaying window titles grouped by workspace:
John-yates-gnome-window-selector.png
Mod-p preserves Xmonad's default dmenu binding. Keeping with the emphasis on font consistency I created a version of dmenu that supports Xft fonts and a bar height option (currently available as a patch against dmenu 4.0):
John-yates-gnome-dmenu.png
At present my xmonad.hs is utterly sparse, attempting only to simplify the process of accommodating additional themes.
/Josh Rickmar's xmonad.hs (0.8)
/Josh Rickmar's dzenscript
This config uses keybindings optimized for the Colemak keyboard layout, alternate swapUp/Down methods which won't cycle windows if moving the last to first or vice-versa, a nice dzen2 status bar, and dwm-like tagging with CopyWindow. Workspaces which contain copies of windows are displayed with a different XPM in dzen (dwm-style). Xinerama keybindings are also removed, simply because I don't use them.
Jrick-xmonad.png


/k6b (kyle's) xmonad.hs(0.9.2)
/k6b (kyle's) xmobarrc(0.11.1)
Two xmobar's, startup script, dmenu, some custom keybindings, work in progress!
Dirty
K6b-xmonad.png
Clean
K6b-xmonad-clean.png
/lars' xmonad.hs (0.8)
Move/Resize windows using keyboard easily:
1. move window around using M-Arrows.
2. resize windows using C-Arrows.
3. Holding <Shift> to move/resize 2 pixels per step instead of 20 pixels.
Please find the lines below comment "-- moving floating window with key" to see details.
/Mntnoe's xmonad.hs (0.9)
Heavily modified modular xmonad config. Highlights: Pager with icons. Per application configuration. Minimize windows.
Mntnoe-xmonad-2010-04-25.png
/lithis's xmonad.hs (darcs)
/lithis's xmobarrc (newer than xmobar-0.9)
The screenshot shows xmobar, two screens, a spiral layout, a tabbed layout, XFT fonts, and ShellPrompt with tab completion. The config also has pointer follows focus.
Lithis-xmonad.png
/lorincs xmonad.hs (0.9)
Config for using xcompmgr with kde4. See blog for more details.
/loupgaroublonds xmonad.hs (darcs)
gnome and kde compatible config with topicspaces and dynamic workspaces set up for context oriented workspaces
Loupgaroublond-config.png
/nattfodd's xmonad.hs (0.8/darcs)
DynamicLog, smartBorders, French keyboard, defaultGap, urgencyHook in workspace toolbar and some prompts.
Nattfodd-xmonad-0.7.png
/Octoploid's xmonad.hs (0.9)
Xmobar with customized DynamicLog, CycleWS with custom keys, colors, terminal, golden ratio
Octoploid conf.png
/oxymor00n's xmonad.hs (darcs)
/oxymor00n's xmobarrc
Tabbed layout, Floating Layout, xmobar, EZConfig for Emacs-like keybinding-definition, added some bindings for the mouse wheel (cycle focus and cycle workspaces), cycleWS-stuff that might be interesting for Xinerama-users,...
Oxymor00n-xmonad.png
/Regalia's xmonad.hs(0.9)
Dual monitor setup with dzens on each screen. TopicSpace, fadeInactive, with some xmms2 bindings. I use CapsLock as mod, and the dvorak layout so the bindings will be weird unless you do the same.
Regalia-xmonad.png
/Robert Massaioli's xmonad.hs
This xMonad is based on Thomas ten Cate's xmonad.hs and it is designed for Dvorak. For more information please see my blog post: [1]
RobertMassaiolisXmonadDesktop.png
/sereven xmonad.hs (0.9.2 - 0.10)
Reduced to minimum that sees daily use. Arrow + vi window navigation. Lots of left hand only keys, for full function with both hands on keyboard, or with one on mouse. While no longer use them old dzen grid icons are here. Latest xmonad.hs here.
2011.03-srvn 2560x960.png
/sykopomp's xmonad.hs (darcs)
/sykopomp's xmonad.dv-vi.hs
This screenshot shows xfce-panel with pager + xmonad in a ResizableTall layout. Also using compositing and transparent urxvt's (thanks andrewsw) with bindings for changing transparency on focused window. Keybindings have been completely redone to be more similar to emacs-bindings (M-p and M-n for previous and next windows). The other config is an older config that uses the standard vi-like bindings, but translated by location to a dvorak layout.
Xmonad-screen-xinerama-composite-xfce.jpg
/TeXitoi's xmonad.hs (0.8 and 0.9)
bepo typematrix keyboard, desktopConfig, fadeInactive. Minimal configuration file with defaults not overwritten. Mist GTK theme, xcompmgr and Xfce4-panel are used.
TeXitoi
/Thomas ten Cate's xmonad.hs (0.8)
Designed for Ubuntu (Gnome), the Windows key, and a dvorak keyboard. Workspaces accessible through Alt+F1..F10 so they don't interfere with Alt+1..9 used by irssi/Firefox/etc.
Instant messaging (Skype and Pidgin) buddy lists are automatically placed on the side of the IM workspace, with chat windows being placed in the rest of this area. This uses some code modified from XMonad.Layout.IM.
Extensive comments at the top of the file explain the keybindings and usage.
/thoughtpolice's xmonad.hs (darcs)
/thoughtpolice's xmobarrc (0.9)
Emacs-esque keyboard bindings via EZConfig, dynamicLog with dzen, Submap google/hoogle/amazon/imdb/youtube/wikipedia searching, Shell & Ssh modules, slightly custom XPConfig and avoidStruts (ManageDocks.)
Vic Fryzel's xmonad configuration (0.9)
Multiple named workspaces and layouts. Comes with themed colors, xmobar configuration, scripts for things like dmenu and screenshots, standard and custom key bindings, etc. Check out the screenshot.
/void's xmonad.hs (0.8)
dzen2 DynamicLog (in robert's style) and UrgencyHook, LayoutCombinators, IM workspace for Pidgin (on the right) with 2 layouts a dwmStyle decorated ResizableTall and a tabbed one, use of PerWorkspace and Named layouts, Scratchpad, custom theme, EZConfig for keybindings, NoBorders (and smarts too)
/vvv's xmonad.hs (0.8)
EZConfig, CycleWS, {Man,Shell,Ssh}Prompt, Submap, DynamicWorkspaces, NoBorders, and ion-like status bar (written in nonkosher Perl).
Vvv-config.png
/webframp's xmonad.hs (darcs)
Basic Mirror tiled and ResizableTall layout, EZConfig keybindings,
dynamicLogWithPP + dzen, CycleWS, Prompt, promptSearch, Scratchpad, updatePointer, perWorkspace, compositing.
Webframp-xmonad-ss-invaders.png
/Wraithan's xmonad.hs (darcs)
Pretty standard setup using ShellPrompt, ResizableTile (with hinting), and xmobar for a little bit of the info I want.
Wraithan-Desktop-2009-12-15.png

2.5 Old configurations

This section is for configurations which do not work with the the latest release version of xmonad.

Note that the configuration file is 'Config.hs' for xmonad < 0.5, but 'xmonad.hs' for xmonad >= 0.5.

Many config files marked as 0.5 probably work in 0.6 as well; give it a try and ask on the #xmonad IRC channel on freenode.org if you have problems.

/Template xmonad.hs (0.8)
/Template xmonad.hs (0.7)
/Template xmonad.hs (0.6)
Previous versions of the default configuration.
/andrewsw's xmonad.hs (0.6)
/arossato's Config.hs (0.4)
/Brent Yorgey's xmonad.hs (0.6)
/cce xmonad.hs (0.5)
alt+enter full screen, alt+hjkl to navigate, many remapped keys
/deifl's xmonad.hs (0.5)
DynamicLog, WindowBringer, CopyWindow, ResizableTile, Tabbed layout. not default terminal, changed colors and some instances of dzen.
/Don's Config.hs (0.4)
/entropies xmonad.hs (0.5)
windows as meta key, fullscreen & noborders on keypress for client. custom keybindings. magnifier.
Entropie-config.png
/Eric Mertens' xmonad.hs (0.5)
/Eric Mertens's Config.hs (0.4)
Customized DynamicLog, ShellPrompt, TilePrime, Dual-head and an effort to make the statusbar similar to DWM.
Glguy-config.jpg
/Erthad's xmonad.hs (darcs 25 Aug 2008/0.7)
mixed hotkeys config (standard+EZConfig), wmii-like keyboard behavior,
EWMH desktops, dzen integration (dzen configs see at http://fly.osdn.org.ua/~erthad/)
/Gwern's Config.hs (0.4) (old)

/iderrick xmonad.hs (0.8)

Maximize, Dynamiclog with xmobar, Custom layout (with Combo) for latex writing (xpdf + editor + little terminal), French keyboard, Windows key for shortcuts
Iderrick.png
/lazor's xmonad.hs (0.8)
working xmonad.hs for KDE 4.2
Screenshot-xmonad-lazor.jpg
/Lee Aylward's xmonad.hs (0.5)
Resizable Tall, NoBorders, dzen DynamicLog, rhythmbox control shortcuts, windows key
Leeaylward.png
/Mr.Elendig's xmonad.hs (0.7)
Somewhat simple, but verbose config, with ResizableTall, xmobar and mpd controlls.
Mre-ss1.png
/nomeatas Config.hs (0.4)
modMask = mod4Mask; gnome-stuff
/nomeata’s xmonad.hs (xmonad 0.7)
CycleWS to avoid changing visible workspaces on other screens, EWMH, UpdatePointer, avoidStruts, IM for piding (on the right side), fullscreen via toggleLayouts, no boarders,
/Ray's xmonad.hs (0.5)
DynamicLog, custom manageHook, changed from default terminal, border colors, prompts, and layouts. Pseudo-Haskell dzen statusbar with Greek letters for workspace names.
Ray-config.png
/Robert Manea's Config.hs and support scripts (0.4)
0.4 screenshot:
Rob-config.png
/Robert Manea's xmonad.hs (0.8)
Customized DynamicLog and ShellPrompt, ManageDock, some efforts to make the colors of all components go together well
0.5 screenshot:
Xmonad shellprompt newconf.png
/Remi's xmonad.hs (0.7)
/Remi's .xmobarrc (0.8)
/Remi's .xinitrc
Lots of key bindings for destkop-navigation/moving, xmonad.hs-editing, music, next-N-windows-float-hack. xmobar integration and PerWorkspace Layouts. And a yet-to-be-published libmpd xmobar plugin.
Remi-xmonad-screenshot.png
/rtalreja's xmonad.hs (0.8.1)
/rtalreja's .conkyrcdzen
dynamicLogWithPP with dzen, conky piped into dzen, urgency hints, compositing, shortcuts for mpd controls.
Rtalreja-screenshot.png
/skorpan's xmonad.hs (0.8)
/skorpan's xmobarrc (0.9)
Red/gray borders + NoBorders, EZConfig, xmobar 0.9 with workspaces, layout, title, battery, CPU usage, memory usage, date and time.
2009-01-25-183906 1280x800 scrot.png
/sphynx's xmonad.hs (0.7)
Emacs-style keybindings, xmobar integration, XFT-fonts, ManageDocks, Tabbed layout, IM layout for Pidgin and Skype configured through PerWorkspace, Search extension for Wikipedia, translation and Google, usage of CopyWindow to 'make window always visible', Urgency hook, PerWorkspace usage, Scratchpad terminal, custom styles for prompt and borders.
/twifkak's Config.hs (0.4)
/twifkak's xmonad.hs (0.8)
modMask = mod4Mask; noBorders tabbed layout; keybindings for dzen, rotview, swapworkspaces, windowbringer, and windownavigation; urgencyhook.
/Wfarr's xmonad.hs (0.6)
ResizableTall Layout using EZConfig, cycleWS, CopyWindows, and DZen to get some cool stuff happening.
Wfarrscreen1.png
/Xilon's xmonad.hs (0.5)
Simple and clean setup with dzen and a tray. Dzen with workspaces uses UrgencyHook for Urgent windows.
Xilon-config.png

3 Note on uploading

Request a haskell wiki account if needed.

To upload your config file, create some text on this page of the form:

; [[/you xmonad.hs]](0.9)
: description of your setup

and save the page. Note that the configs are in alphabetical order and specify what xmonad version is required. (It's helpful to also include the version info somewhere in your comments.) This will create a new page under /you into which you can paste your xmonad.hs text.

Wrap the haskell in <haskell> and </haskell> tags (the tags should go on their own lines), to enable nice markup; add a nice category like [[Category:XMonad configuration]], and upload.

Images can be uploaded by clicking on the 'Upload file' link, and then referring to the uploaded image as, e.g.

[[Image:you-config.png|center|200px]]

which will scale the image correctly for a thumbnail.

3.1 Modular configs

Now that xmonad supports importing local module definitions into xmonad.hs from ~/.xmonad/lib/Path/To/Foo.hs with
import Path.To.Foo
, the download script below limits the usability of your uploaded config. Till it's made smarter, if you want your modular config to be easily downloadable, convert it into a single chunk of valid haskell between the first pair of <haskell> and </haskell> tags (each tag on its own line) i.e. comment the "module Foo where"s and their imports, merging them into a single import list, (qualifying as necessary).

If this is too painful, please consider other solutions, such as including commented links to downloadable lib module files or a browseable vcs, or help revise the downloader script to be smart enough to deal with a sensible method of posting such configs here.

A converter script might be useful as well.

4 Downloading all configs

Sometimes one wants to download all the xmonad.hs files linked from this page. Perhaps one simply wants to look at many versions, or perhaps one is interested in commonalities. Regardless, here's a small script (written by gwern and modified by sereven) which uses Tagsoup to download the files into the current directory:


import Control.Monad (liftM,liftM2, zipWithM_)
import Data.List (isInfixOf, isPrefixOf)
import Network.HTTP(getResponseBody, simpleHTTP, getRequest)
import Text.HTML.TagSoup (parseTags, Tag(TagOpen))

main :: IO ()
main = do urls <- liftM extractURLs $ openURL "http://haskell.org/haskellwiki/Xmonad/Config_archive"
          -- urls are prefixed "/haskellwiki/", so in raws, drop 13:
          let raws = map (\x -> "http://haskell.org/haskellwiki/index.php?title=" ++ drop 13 x ++ "&action=raw") $ filter (isInfixOf "xmonad.hs") urls
          let hs = map (liftM2 fmap filterHaskell openURL) raws
          zipWithM_ (\x y -> writeFile x =<< y) (map ((++ ".hs") . show) [(1::Int)..]) hs

filterHaskell :: String -> String -> String
filterHaskell url = addLink . unlines . takeWhile (not . isPrefixOf "</haskell>") . drop 1 . dropWhile (not . isPrefixOf "<haskell>") . lines
    where addLink = (("-- " ++ (reverse . drop 11 . reverse) url ++ "\n") ++) -- add commented url less "&action=raw"


openURL :: String -> IO String
openURL u = getResponseBody =<< simpleHTTP (getRequest u)

extractURLs :: String -> [String]
extractURLs arg = [x | TagOpen "a" atts <- (parseTags arg), (_,x) <- atts, "/haskellwiki/Xmonad/Config_archive/" `isPrefixOf` x]

Make sure you have the tagsoup package installed from hackage or your package manager, then paste the script into a file, e.g. get-xmconfigs.hs, then, to download the configs into the current directory:

   % runhaskell get-xmconfigs

Note that this script will only work on those configs which strictly followed the above uploading guidelines, since the script makes a number of simplifying assumptions. (Specifically: title includes the string "xmonad.hs", it was uploaded to a subpage of this page, the <haskell> tags are on their own lines, and the first pair encloses the xmonad.hs. See gwern's original email for more details.)

5 Module Import Popularity

Here is a script to summarize the imports in a given directory of .hs files, such as the ones downloaded by the script in the previous section.

#!/usr/bin/runghc
 
import System.Directory(getDirectoryContents)
import System.FilePath(splitExtension)
import Control.Applicative((<$>))
import Control.Monad(mapM)
import Data.Char(isNumber, isSpace)
import Data.List(foldl', sortBy, stripPrefix)
import Data.Maybe(mapMaybe)
import Data.Monoid(mconcat)
import Data.Ord(comparing)
 
import qualified Data.Map as M
 
main = do
    fs <- filter ((\(fn,ext) -> ext == ".hs" && all isNumber fn) . splitExtension)
            <$> getDirectoryContents "."
    let getModName :: String -> [String]
        getModName = map (takeWhile (\x -> not $ isSpace x || x == '('))
                    . mapMaybe (mconcat $ map stripPrefix ["import qualified ","import "])
                    . lines
    xs <- mapM (fmap getModName . readFile) fs
    putStr . unlines . map show . sortBy (comparing snd) . M.toList
        . foldl' (\m k -> M.insertWith (+) k 1 m) M.empty
        . concat $ xs

Part of the output showing the most popular modules in the config archive is:

("XMonad.Layout.NoBorders",40)
("XMonad.Hooks.DynamicLog",43)
("XMonad.Util.Run",44)
("XMonad.Hooks.ManageDocks",45)
("Data.Map",53)
("XMonad.StackSet",53)
("XMonad",63)