diplodocus.org Git - nmh/blob - etc/sendfiles.in

   1 #!/bin/sh
   2 #
   3 # Send multiples files and/or directories as a tar/compressed
   4 # image, in a MIME message.
   5 #
   6
   7 DELAY=0
   8 FROM=
   9
  10 # compression method (none, gzip or compress)
  11 METHOD=none
  12 # compression filter
  13 COMPRESS=cat
  14 # uncompression filter
  15 UNCOMPRESS=cat
  16 # compression description to append to content-type
  17 CONVERSION=
  18
  19 # default compression method based on installed software
  20 # prefer compress over gzip for backward compatibility
  21 if command -v compress >/dev/null 2>&1 ; then
  22     METHOD=compress
  23 elif command -v gzip >/dev/null 2>&1 ; then
  24     METHOD=gzip
  25 fi
  26
  27 # handle command-line options to override compression method and delay
  28 while [ $# -gt 3 ]; do
  29     case "$1" in
  30         -gzip) METHOD=gzip
  31                shift
  32                ;;
  33         -compress) METHOD=compress
  34                    shift
  35                    ;;
  36         -none) METHOD=none
  37                shift
  38                ;;
  39         -*) DELAY="`echo $1 | sed -e 's%-%%'`"
  40             shift
  41             ;;
  42         *) break
  43            ;;
  44     esac
  45 done
  46
  47 # set variables based on chosen compression method
  48 if [ $METHOD = compress ]; then
  49     COMPRESS=compress
  50     UNCOMPRESS=uncompress
  51     CONVERSION="; x-conversions=compress"
  52 elif [ $METHOD = gzip ]; then
  53     COMPRESS="gzip -c"
  54     UNCOMPRESS="gzip -dc"
  55     CONVERSION="; x-conversions=gzip"
  56 fi
  57
  58 if [ ! -z "$PERSON" ]; then
  59     FROM="-from $PERSON"
  60 fi
  61
  62 if [ $# -lt 3 ]; then
  63     echo 'usage: sendfiles: "mailpath" "subject-string" directory-or-file ...' 1>&2
  64     exit 1;
  65 fi
  66
  67 mailpath="$1"
  68 echo "mailpath = $mailpath" 1>&2
  69 shift
  70
  71 subject="$1"
  72 echo "subject-string = $subject" 1>&2
  73 shift
  74
  75 echo "files = $*" 1>&2
  76
  77 tar cvf - "$@" | $COMPRESS | \
  78     %libdir%/viamail -to "$mailpath" -subject "$subject" \
  79         -parameters "type=tar$CONVERSION" \
  80         -comment "extract with $UNCOMPRESS | tar xvpf -" \
  81         -delay "$DELAY" \
  82         -verbose $FROM