smoother code, using a function for dir checking

dots/bin/importGnupgKeys.sh

@@ -2,21 +2,23 @@
 
 # klevstul :: 24.06 :: docs: docs/gpg.md
 
+dir_checker() {
+    dir=$1
+
+    if [ ! -d ${dir} ]; then
+        echo "error: missing directory '${dir}'"
+        exit 1
+    fi
+}
+
 src_dir=/home/poq/syncDir/secrets/gnupg
 tmp_dir=/tmp
 
 this_file_name=`basename "$0"`
 echo "$this_file_name"
 
-if [ ! -d ${src_dir} ]; then
-    echo "error: missing directory '${src_dir}'"
-    exit 1
-fi
-
-if [ ! -d ${tmp_dir} ]; then
-    echo "error: missing directory '${tmp_dir}'"
-    exit 1
-fi
+dir_checker ${src_dir}
+dir_checker ${tmp_dir}
 
 echo "please, remember the hint: bibL2"