Sec "Best practices for maintainer scripts" added, special credit here

[developers-reference.git] / common.ent

diff --git a/common.ent b/common.ent
index 341e8753e17d98a8923cdc777782defe35b20ac8..1380d83a49302eaedd9c7926669f622544e83784 100644 (file)
--- a/common.ent
+++ b/common.ent
@@ -240,3 +240,16 @@ pool/non-free/n/
 pool/non-free/n/netscape/
      ...
 </example>">
+
+<!entity example-pathfind '<example>pathfind() {
+    OLDIFS="$IFS"
+    IFS=:
+    for p in $PATH; do
+        if [ -x "$p/$*" ]; then
+            IFS="$OLDIFS"
+            return 0
+        fi
+    done
+    IFS="$OLDIFS"
+    return 1
+}</example>'>