Index: tools/pkgr_an_d_get.sh
==================================================================
--- tools/pkgr_an_d_get.sh
+++ tools/pkgr_an_d_get.sh
@@ -4,14 +4,12 @@
   echo "The program 'tclsh' is apparently not installed."
   echo "Please use 'apt-get install tcl8.6' (Linux)."
   exit 1
 fi
 
-echo "exit [catch {package require tls}]" | tclsh
-
-if [ $? -ne 0 ]; then
-  echo the "The 'tls' package for Tcl is not installed."
+if ! echo "exit [catch {package require tls}]" | tclsh; then
+  echo "The 'tls' package for Tcl is not installed."
   echo "Please use 'apt-get install tcl-tls' (Linux)."
   exit 1
 fi
 
 if [ ! -x "$(command -v wget)" ] && [ ! -x "$(command -v curl)" ]; then
@@ -59,23 +57,25 @@
 PKGR_GET_OK=0
 
 if [ -x "$(command -v wget)" ]; then
   for wgetArg in "" "--no-check-certificate"
   do
-    wget -4 $wgetArg "--output-document=${PKGR_TMP_FILE}" "${PKGR_CLIENT_URI}"
-    if [ $? -eq 0 ] && [ -f "${PKGR_TMP_FILE}" ]; then
-      PKGR_GET_OK=1
-      break
+    if wget -4 $wgetArg "--output-document=${PKGR_TMP_FILE}" "${PKGR_CLIENT_URI}"; then
+      if [ -f "${PKGR_TMP_FILE}" ]; then
+        PKGR_GET_OK=1
+        break
+      fi
     fi
   done
 else
   for curlArg in "" "--insecure"
   do
-    curl -4 $curlArg --location "${PKGR_CLIENT_URI}" > "${PKGR_TMP_FILE}"
-    if [ $? -eq 0 ] && [ -f "${PKGR_TMP_FILE}" ]; then
-      PKGR_GET_OK=1
-      break
+    if curl -4 $curlArg --location "${PKGR_CLIENT_URI}" > "${PKGR_TMP_FILE}"; then
+      if [ -f "${PKGR_TMP_FILE}" ]; then
+        PKGR_GET_OK=1
+        break
+      fi
     fi
   done
 fi
 
 if [ $PKGR_GET_OK -eq 0 ] || [ ! -f "${PKGR_TMP_FILE}" ]; then

Index: tools/pkgr_an_d_install.sh
==================================================================
--- tools/pkgr_an_d_install.sh
+++ tools/pkgr_an_d_install.sh
@@ -4,14 +4,12 @@
   echo "The program 'tclsh' is apparently not installed."
   echo "Please use 'apt-get install tcl8.6' (Linux)."
   exit 1
 fi
 
-echo "exit [catch {package require tls}]" | tclsh
-
-if [ $? -ne 0 ]; then
-  echo the "The 'tls' package for Tcl is not installed."
+if ! echo "exit [catch {package require tls}]" | tclsh; then
+  echo "The 'tls' package for Tcl is not installed."
   echo "Please use 'apt-get install tcl-tls' (Linux)."
   exit 1
 fi
 
 if [ ! -x "$(command -v wget)" ] && [ ! -x "$(command -v curl)" ]; then
@@ -92,23 +90,25 @@
 PKGR_GET_OK=0
 
 if [ -x "$(command -v wget)" ]; then
   for wgetArg in "" "--no-check-certificate"
   do
-    wget -4 $wgetArg "--output-document=${PKGR_TMP_FILE}" "${PKGR_CLIENT_URI}"
-    if [ $? -eq 0 ] && [ -f "${PKGR_TMP_FILE}" ]; then
-      PKGR_GET_OK=1
-      break
+    if wget -4 $wgetArg "--output-document=${PKGR_TMP_FILE}" "${PKGR_CLIENT_URI}"; then
+      if [ -f "${PKGR_TMP_FILE}" ]; then
+        PKGR_GET_OK=1
+        break
+      fi
     fi
   done
 else
   for curlArg in "" "--insecure"
   do
-    curl -4 $curlArg --location "${PKGR_CLIENT_URI}" > "${PKGR_TMP_FILE}"
-    if [ $? -eq 0 ] && [ -f "${PKGR_TMP_FILE}" ]; then
-      PKGR_GET_OK=1
-      break
+    if curl -4 $curlArg --location "${PKGR_CLIENT_URI}" > "${PKGR_TMP_FILE}"; then
+      if [ -f "${PKGR_TMP_FILE}" ]; then
+        PKGR_GET_OK=1
+        break
+      fi
     fi
   done
 fi
 
 if [ $PKGR_GET_OK -eq 0 ] || [ ! -f "${PKGR_TMP_FILE}" ]; then