diff --git a/developer/bin/list_apps_in_pkg b/developer/bin/list_apps_in_pkg
index 6fcac295ba..b27e38f022 100755
--- a/developer/bin/list_apps_in_pkg
+++ b/developer/bin/list_apps_in_pkg
@@ -7,6 +7,33 @@ set -e                # exit on any uncaught error
 set +o histexpand     # don't expand history expressions
 shopt -s nocasematch  # case-insensitive regular expressions
 
+app_source_1 () {
+    /usr/bin/find "$tmpdir" -name PackageInfo -print0 |   \
+    /usr/bin/xargs -0 /usr/bin/perl -0777 -ne             \
+      'while (m{<pkg-info[^\n]*install-location="/Applications".*?path\s*=\s*"([^"]+)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
+}
+
+app_source_2 () {
+    /usr/bin/find "$tmpdir" -name PackageInfo -print0  |  \
+    /usr/bin/xargs -0 /usr/bin/perl -0777 -ne             \
+      'while (m{<pkg-info[^\n]*install-location="/".*?path\s*=\s*"./Applications/([^"]+)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }';
+}
+
+app_source_3 () {
+    /usr/bin/find "$tmpdir" -type d -name '*.app' |       \
+    perl -pe 's{\A.*/}{}';
+}
+
+merge_sources () {
+    /usr/bin/sort | /usr/bin/uniq
+}
+
+mark_up_sources () {
+    /usr/bin/perl -pe 's{\n}{\000}sg' |                     \
+    /usr/bin/xargs -0 -I{} -n1 /bin/bash -c                 \
+      'printf "{}"; /bin/test -n "$(/usr/bin/find /Applications -type d -maxdepth 3 -name "{}" -print0; /usr/bin/find ~/Applications -type d -maxdepth 3 -name "{}")" && printf " (+)"; printf "\n"'
+}
+
 _list_apps_in_pkg () {
 
     local tmpdir=`/usr/bin/mktemp -d -t list_apps_in_pkg`
@@ -15,25 +42,13 @@ _list_apps_in_pkg () {
     /usr/sbin/pkgutil --expand "$1" "$tmpdir/unpack"
 
     {
-      # source 1
-      /usr/bin/find "$tmpdir" -name PackageInfo -print0 |   \
-      /usr/bin/xargs -0 /usr/bin/perl -0777 -ne             \
-       'while (m{<pkg-info[^\n]*install-location="/Applications".*?path\s*=\s*"([^"]+)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }'; \
-      # source 2
-      /usr/bin/find "$tmpdir" -name PackageInfo -print0  |  \
-      /usr/bin/xargs -0 /usr/bin/perl -0777 -ne             \
-        'while (m{<pkg-info[^\n]*install-location="/".*?path\s*=\s*"./Applications/([^"]+)"}sg) { my $p = $1; $p =~ s{\A.*/}{}; print "$p\n" }'; \
-      # source 3
-      /usr/bin/find "$tmpdir" -type d -name '*.app' |       \
-      perl -pe 's{\A.*/}{}';                                \
-    } |                                                     \
-    # merge sources
-    /usr/bin/sort | /usr/bin/uniq |                         \
-    # markup
-    /usr/bin/perl -pe 's{\n}{\000}sg' |                     \
-    /usr/bin/xargs -0 -I{} -n1 /bin/bash -c                 \
-      'printf "{}"; /bin/test -n "$(/usr/bin/find /Applications -type d -maxdepth 3 -name "{}" -print0; /usr/bin/find ~/Applications -type d -maxdepth 3 -name "{}")" && printf " (+)"; printf "\n"'
-
+      # strings that look like appnames (Something.app)
+      app_source_1;
+      app_source_2;
+      app_source_3;
+    } |                \
+    merge_sources |    \
+    mark_up_sources
 }
 
 if [[ $1 =~ ^-+h(elp)?$ || -z "$1" ]]; then