Change --installed-eapi to --eapi ...

because there are Packages noch reinstalled on an EAPI change (no revbunp). So it would be better for this task to look up the current EAPI in tree.
Additionally I put the EAPI checks in a loop and look quietly for $1 as max EAPI to check for.
Ervin

packageneedsme.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# This script will list all installed packages on a gentoo system 
+# This script will list all installed packages on a gentoo system
 # without maintainer or old EAPI.
 # depends on eix (and portage)
 # License: GPL-2
@@ -9,6 +9,8 @@
 # Changelog and authors:
 # 2017-11-22 add tree path detection (Nils Freydank)
 # 2017-11-17 initial script (Jonas Stein)
+# 2018-12-08 update loop and tree EAPI instead of installed EAPI
+#	also use the parameter $1 to set maxEAPI to look at(5) 
 
 MYPORTDIR="$(portageq get_repo_path / gentoo)"
 
@@ -21,25 +23,19 @@ do
 	grep -q "<!-- maintainer-needed -->" "${MYPORTDIR}"/$catpkg/metadata.xml && echo $catpkg
 done
 
-echo 
+echo
 echo "These installed packages use a very old EAPI. You can prepare a PR:"
-INSTALLED=( $(EIX_LIMIT=0 eix --installed --in-overlay 0 --only-names --installed-eapi 0))
 
-for catpkg in "${INSTALLED[@]}"
-do
-	echo "EAPI="0"   $catpkg"
-done
-
-INSTALLED=( $(EIX_LIMIT=0 eix --installed --in-overlay 0 --only-names --installed-eapi 2))
-
-for catpkg in "${INSTALLED[@]}"
-do
-        echo "EAPI="2"   $catpkg"
-done
-
-INSTALLED=( $(EIX_LIMIT=0 eix --installed --in-overlay 0 --only-names --installed-eapi 3))
-
-for catpkg in "${INSTALLED[@]}"
-do
-        echo "EAPI="3"   $catpkg"
+maxEAPI=${1:-5} # currently in 12/2018 EAPI 5 is deprecated
+
+for EAPI in $(seq 0 $maxEAPI); do
+	echo 
+	echo "Check for EAPI $EAPI:"
+
+	INSTALLED=( $(EIX_LIMIT=0 eix --installed --in-overlay 0 --only-names --eapi $EAPI))
+
+	for catpkg in "${INSTALLED[@]}"
+	do
+		echo "EAPI=$EAPI   $catpkg"
+	done
 done