WIP additional functions, system text editor detection, fix listSteps output

Adding sequence template

seqTemplate.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+readonly toolName=mytool
+
+# Get script working directory
+# (when called from a different directory and even when called via symlink)
+readonly sq_dir="$(cd "$(dirname -- "$(realpath ${BASH_SOURCE[0]})")" >>/dev/null 2>&1 && pwd)"
+readonly sq_scriptFile=$(basename -- $0)
+readonly sq_scriptName=${sq_scriptFile%%.*}
+readonly sq_configFileName="${sq_scriptName}.cfg"
+readonly sq_configFileTemplate="$sq_dir/${sq_configFileName}.example"
+sq_aptOpt=
+sq_config=0
+
+step_config() {
+  ## Called once before executing steps.
+  ## e.g. to source a config file manually:
+  #. "$sq_config_FILE"
+
+  ## or to use sequencer api with profile config file support:
+  #initSeqConfig -p "$sq_scriptName" "$sq_configFileTemplate"
+
+  ## or to use sequencer api with global config file:
+  #initSeqConfig "$sq_configFileName" "$sq_configFileTemplate"
+  #if [ $? -eq 0 ] ; then
+  #  sq_config=1
+  #else
+  #  # End if no configuration file exists
+  #  [ $DRY -eq 0 ] && return -1
+  #fi
+
+  ## Apt cmdline option to suppress user interaction
+  [ $QUIET -ne 0 ] && sq_aptOpt="-y"
+
+  ## Return of non zero value will abort the sequence
+  return 0
+}
+
+step_1_info() { echoinfoArgs "[OPTIONS]"; echo "My custom step"; }
+step_1_alias() { echo "begin"; }
+step_1() {
+  echo "Doing something for step $1 ..."
+  echo "Command line arguments starting with argument 2: $@"
+  # Use exe for regular command
+  # Use exep "command" for commands containing pipes or redirects
+  exe ls
+  exep "dmesg | head"
+}
+
+VERSION_SEQREV=16
+. /usr/local/bin/sequencer.sh