diff --git a/tools/txt2md b/tools/txt2md
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+#!/bin/bash
+
+ #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
+ #                                                                     #
+ # Conversor de TXT antigo para MD  -  Pedro T. R. Pinheiro - 22JAN22  #
+ # --------- -- --- ------ ---- --  -  ----- -- -- -------- - -------  #
+ #                                                                     #
+ # Este conversor transforma arquivos de texto puro por mim escritos   #
+ # no passado em formato Markdown, para que possam ser corretamente    #
+ # arquivados neste repositório. Provavelmente só é útil para mim, mas #
+ # seguramente pode ser adaptado a outros usos.                        #
+ # --                                                                  #
+ # Old TXT to MD converter: converts my old plain text files into the  #
+ # Markdown format, so they can correctly archived in this repository. #
+ # Probably useful only to me, though it surely can be adapted to suit #
+ # the needs of different people.                                      #
+ #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
+
+author="Pedro T. R. Pinheiro"
+file=$1
+
+if [ ! -f $file ]; then
+	echo "$file: No such file or directory."
+	exit 1
+fi
+
+if [ ! -r $file ]; then
+	echo "$file: Can't stat."
+	exit 2
+fi
+
+# Metadata
+encoding=`file --mime-encoding ${file} | cut -d" " -f2`
+lastMod=`stat -c %y ${file}`
+presentDate=`date --rfc-3339=seconds`
+title=`cat ${file} | head -1`
+titleUnicode=`echo -ne ${title} | iconv -f ${encoding}`
+
+# File contents
+content=`cat ${file}` 
+contentUnicode=`echo -ne "${content}" | iconv -f ${encoding}`
+# Lines can't be longer than 72 (-w 72), nor can 
+# words be broken (-s, only breaks on white space)
+contentWraped=`echo "${contentUnicode}" | fold -w 72 -s`
+
+yamlHeader=`cat << EOF
+---
+author:   ${author}
+title:    ${titleUnicode}
+date:     "${lastMod}"
+comment:  "Original file written in ${encoding}, at ${lastMod}. 
+          Converted to Markdown at ${presentDate}"
+origDate: "${lastMod}"
+convDate: "${presentDate}"
+---
+EOF`
+
+output="${yamlHeader}\n\n${contentWraped}\n"
+
+# Filename
+# Not really useful to all people... Strong implies there's 
+# a ".txt" suffix to the filename. 
+baseName=`basename $file`
+destFile=`echo $baseName | sed "s/.txt/.md/g"`
+
+echo -ne "$output" > $destFile