1 files changed, 37 insertions, 0 deletions

diff --git a/mini-debian9/prepare-pkg-list.sh b/mini-debian9/prepare-pkg-list.sh
new file mode 100755
index 0000000..ce2195d
--- /dev/null
+++ b/mini-debian9/prepare-pkg-list.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+#
+# Prepare the list of packages to be installed/uninstalled.
+#
+# ENVIRONMENT VARIABLES:
+#
+#    - APT_LIST: APT package list;  default = "apt-list"
+#
+
+echo "===> Preparing APT package list..."
+
+if [ -z "$APT_LIST" ]; then
+    APT_LIST=apt-list
+fi
+
+if [ -f "$APT_LIST" ]; then
+
+    awk '/^#/ {next}                                 \
+         { split($0,arrayA);                         \
+           for (i in arrayA) {                       \
+              if (arrayA[i] == "!") { continue; }    \
+              print arrayA[i]                        \
+           }                                         \
+         }'                                          \
+        $APT_LIST > ___APT_INSTALL_LIST
+
+    awk '/^(#|!)/ {next}                                          \
+         { split($0,arrayA); for (i in arrayA) print arrayA[i] }' \
+        $APT_LIST  |
+        awk '{ L[n++] = $0 }          \
+                END { while(n--)      \
+                      print L[n] }'   \
+            > ___APT_UNINSTALL_LIST
+
+fi
+#cat ___APT_INSTALL_LIST
+#cat ___APT_UNINSTALL_LIST