[project @ 1996-01-08 20:28:12 by partain]

[ghc-hetmet.git] / ghc / misc / examples / posix / po011 / Main.hs

diff --git a/ghc/misc/examples/posix/po011/Main.hs b/ghc/misc/examples/posix/po011/Main.hs
new file mode 100644 (file)
index 0000000..3d78924
--- /dev/null
+++ b/ghc/misc/examples/posix/po011/Main.hs
@@ -0,0 +1,22 @@
+import LibPosix
+
+main =
+    getGroupEntryForName "grasp" >>= \ grasp ->
+    getGroupEntryForName "staff" >>= \ staff ->
+    putStr (ge2String grasp) >>
+    putChar '\n' >>    
+    putStr (ge2String staff) >>
+    putChar '\n' >>    
+    getGroupEntryForID (groupID grasp) >>= \ guid ->
+    getGroupEntryForID (groupID staff) >>= \ suid ->
+    putStr (ge2String guid) >>
+    putChar '\n' >>    
+    putStr (ge2String suid) >>
+    putChar '\n'
+
+ge2String ge =
+    name ++ (':' : (show gid) ++ (':' : members))
+  where
+    name = groupName ge
+    gid = groupID ge
+    members = foldr (\x y -> x ++ (',' : y)) "" (groupMembers ge)
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