bin/docx2asn

   1 #!/bin/bash
   2
   3 if [[ $# -eq 0 ]] ; then
   4     echo "Usage: ${0##*/} file [files]"
   5     echo "Extract ASN.1 from one or more 3GPP 38.331 docx files and save then to .asn files"
   6     exit 1
   7 fi
   8
   9 if [[ ! -w . ]] ; then
  10     echo "Cannot write to current directory"
  11     exit 1
  12 fi
  13
  14 if [[ ! -x $(which libreoffice) ]] ; then
  15     echo "Cannot find executable libreoffice"
  16     exit 1
  17 fi
  18
  19 while [ "$#" -gt 0 ]; do
  20
  21     echo "Processing parameter: $1"
  22
  23     if [[ ! -f "$1" ]] || [[ ! -r "$1" ]] ; then
  24         echo "$1 is not a readable file"
  25         shift
  26         continue
  27     fi
  28
  29     if [[ -e "${1%.docx}.txt" ]] ; then
  30         echo "${1%.docx}.txt already exists: skipping conversion"
  31
  32     else
  33         libreoffice --convert-to txt "$1"
  34
  35         if [[ ! -f "${1%.docx}.txt" ]] || [[ ! -r "${1%.docx}.txt" ]] ; then
  36             echo "libreoffice did not create ${1%.docx}.txt"
  37             shift
  38             continue
  39         fi
  40     fi
  41
  42     if [[ -e "${1%.docx}.asn" ]] ; then
  43         echo "${1%.docx}.asn already exists: not regenerated"
  44         shift
  45         continue
  46     fi
  47
  48     cat "${1%.docx}.txt" | awk '/^-- ASN1START$/,/^-- ASN1STOP$/' | grep -Evxe '-- ASN1ST(ART|OP)' | grep -v '^--' | awk 'NF || p; { p = NF }' p=0 > "${1%.docx}.asn"
  49
  50     if [[ -e "${1%.docx}.asn" ]] ; then
  51         echo "${1%.docx}.asn was generated"
  52     fi
  53     shift
  54 done
  55