Add support for --terse option in scripts enabling TERSE log level

Author: AitorATuin

Functions/LogTerse

@@ -0,0 +1,20 @@
+#!/bin/bash (source)
+
+export logMode="Terse"
+export logLevel=${logLevelTerse}
+
+eval "exec $questionFD>&-"
+eval "exec $verboseFD>&-"
+eval "exec $normalFD>&-"
+eval "exec $terseFD>&-"
+eval "exec $errorFD>&-"
+eval "exec $debugFD>&-"
+eval "exec $logFD>&-"
+
+eval "exec $questionFD<&2"
+eval "exec $verboseFD>/dev/null"
+eval "exec $normalFD>/dev/null"
+eval "exec $terseFD<&2"
+eval "exec $errorFD<&2"
+eval "exec $debugFD>/dev/null"
+eval "exec $logFD>${logfile}"

Functions/OptionParser

@@ -1055,6 +1055,9 @@ function Parse_Options() {
    if Boolean "debug"
    then Import LogDebug
    fi
+   if Boolean "terse"
+   then Import LogTerse
+   fi
    if Entry "logfile"
    then
       export logfile="$(Entry logfile)"
@@ -1066,6 +1069,7 @@ function Parse_Options() {
 }
 
 # Options for this parser.
+Add_Option_Boolean "" "terse" "Enable terse messages."
 Add_Option_Boolean "" "debug" "Enable debug messages."
 Add_Option_Boolean "h" "help" "Show this help."
 Add_Option_Boolean "" "version" "Show program version."