diff --git a/sequpgrade.sh b/sequpgrade.sh
new file mode 100755
index 0000000..686ba78
--- /dev/null
+++ b/sequpgrade.sh
@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+
+# Upgrade existing seqs (<16) to be compatible with sequencer 16
+# Please review the changes especially for informational output
+
+# Holds all files which should be upgraded
+sq_files=()
+
+step_1_info() { echoinfoArgs "[FILE ...]"; echo "Check files"; }
+step_1_alias() { echo "upgrade"; }
+step_1() {
+  local file=
+  local execute=
+  shift
+  if [[ "${1:-}" == --execute ]] ; then
+    execute="${1}"
+    shift
+  fi
+
+  for file in "$@" ; do
+    if [ ! -w "${file}" ] ; then
+      error "No permission to write ${file}"
+      return 1
+    elif [ ! -d "${file}" ] ; then
+      sq_files+=("${file}")
+    fi
+  done
+
+  exe makechanges ${execute}
+}
+
+makechanges() {
+  local file=
+  local inplace="-n"
+  local sedprint="gp"
+  if [[ "${1:-}" == --execute ]] ; then
+    info "Executing..."
+    inplace="-i"
+    sedprint="g"
+  fi
+  for file in "${sq_files[@]}" ; do
+    echo "Update: ${file}"
+    exe sed ${inplace} 's/\[* ${*DRY}* \(-eq\|==\) 0 \]* &&/dry ||/'${sedprint} "${file}"
+    exe sed ${inplace} 's/\[* ${*DRY}* \(-eq\|==\) 0 \]*/! dry/'${sedprint} "${file}"
+    exe sed ${inplace} 's/\[* ${*DRY}* \(-ne\|!=\) 0 \]*/dry/'${sedprint} "${file}"
+
+    exe sed ${inplace} 's/\[* ${*QUIET}* \(-ne\|!=\) 0 \]*/quiet/'${sedprint} "${file}"
+    exe sed ${inplace} 's/\[* ${*QUIET}* \(-eq\|==\) 0 \]*/interactive/'${sedprint} "${file}"
+    
+    exe sed ${inplace} 's/\[* ${*QUIET}* \(-ne\|!=\) 2 \]* &&/silent ||/'${sedprint} "${file}"
+    exe sed ${inplace} 's/\[* ${*QUIET}* \(-ne\|!=\) 2 \]*/! silent/'${sedprint} "${file}"
+
+    exe sed ${inplace} 's/\[* ${*VERBOSE}* \(-eq\|==\) 0 \]*/! verbose/'${sedprint} "${file}"
+    
+    exe sed ${inplace} 's/\[* ${*CONTEXT_HELP}* \(-eq\|==\) 0 \]* &&/contextHelp ||/'${sedprint} "${file}"
+    exe sed ${inplace} 's/\[* ${*CONTEXT_HELP}* \(-eq\|==\) 0 \]*/! contextHelp/'${sedprint} "${file}"
+    exe sed ${inplace} 's/\[* ${*CONTEXT_HELP}* \(-ne\|!=\) 0 \]*/contextHelp/'${sedprint} "${file}"
+    
+    exe sed ${inplace} 's/\[* ${*CONTEXT_EXE}* \(-eq\|==\) 0 \]* &&/contextExe ||/'${sedprint} "${file}"
+    exe sed ${inplace} 's/\[* ${*CONTEXT_EXE}* \(-eq\|==\) 0 \]*/! contextExe/'${sedprint} "${file}"
+    exe sed ${inplace} 's/\[* ${*CONTEXT_EXE}* \(-ne\|!=\) 0 \]*/contextExe/'${sedprint} "${file}"
+
+    exe sed ${inplace} 's/echoseq " \[I\] /info "/'${sedprint} "${file}"
+    exe sed ${inplace} 's/echoseq " \[W\] /warning "/'${sedprint} "${file}"
+    exe sed ${inplace} 's/echoseq " \[E\] /error "/'${sedprint} "${file}"
+    exe sed ${inplace} 's/echoseq/info/'${sedprint} "${file}"
+
+    exe sed ${inplace} 's/echoerr " \[I\] /info -e "/'${sedprint} "${file}"
+    exe sed ${inplace} 's/echoerr " \[W\] /warning -e "/'${sedprint} "${file}"
+    exe sed ${inplace} 's/echoerr " \[E\] /error -e "/'${sedprint} "${file}"
+    exe sed ${inplace} 's/echoerr/error -e/'${sedprint} "${file}"
+    
+    exe sed ${inplace} 's/outColor/color/'${sedprint} "${file}"
+
+    exe sed ${inplace} 's/"*${*DEFAULT_EDITOR_SYSTEM}*"*/editor/'${sedprint} "${file}"
+
+    exe sed ${inplace} 's/^[[:space:]]*step_config/seq_config/'${sedprint} "${file}"
+    exe sed ${inplace} 's/^\(step_.*_alias\)()[[:space:]]*{[[:space:]]*ALIAS=/\1() { echo /'${sedprint} "${file}"
+    exe sed ${inplace} 's/^SEQUENCER_ARGS/sqr_args/'${sedprint} "${file}"
+    exe sed ${inplace} 's/^STEP_ARGS/seq_args/'${sedprint} "${file}"
+    exe sed ${inplace} 's/^SEQ_CONFIG_HOME/seq_configRoot/'${sedprint} "${file}"
+    exe sed ${inplace} 's/^SEQ_CONFIG_FILE/seq_configFile/'${sedprint} "${file}"
+    exe sed ${inplace} 's/^SEQ_PROFILE_NAME/seq_profileName/'${sedprint} "${file}"
+    exe sed ${inplace} 's/^VERSION_SEQREV.*/readonly sqr_minVersion=16/'${sedprint} "${file}"
+  done
+}
+
+readonly sqr_minVersion=16
+. /usr/local/bin/sequencer.sh