introduce store_output: run command and save output to a temp. file

bin/epm-sh-functions

@@ -147,6 +147,21 @@ subst_option()
 	eval "[ -n \"\$$1\" ]" && echo "$2" || echo "$3"
 }
 
+store_output()
+{
+    # use make_temp_file from etersoft-build-utils
+    RC_STDOUT=$(mktemp)
+    #RC_STDERR=$(mktemp)
+    "$@" 2>&1 | tee $RC_STDOUT
+    # http://tldp.org/LDP/abs/html/bashver3.html#PIPEFAILREF
+    return $PIPESTATUS
+}
+
+clean_store_output()
+{
+    rm -f $RC_STDOUT
+}
+
 
 epm()
 {