/usr/bin/mh/sendfiles is in nmh 1.6-8build1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | #!/bin/sh
#
# Sends multiple files and/or directories in a MIME message.
# Requires tar and any specified compression program.
#
# This code is Copyright (c) 2012, by the authors of nmh. See the
# COPYRIGHT file in the root directory of the nmh distribution for
# complete copyright information.
usage='Usage: sendfiles [switches] -to recipient -subject subject '"\
"'file1 [file2 ...]
or
sendfiles [switches] recipient subject file1 [file2 ...]
switches are:
-compress [bzip2 | compress | gzip | lzma | none]
-from <sender>
-[delay] <delay> (expressed in seconds)
-version
-help
Can use PERSON environment variable instead of -from switch.'
#### Find location of a program. Bourne shell just puts the name in
#### $0 if it's found from the PATH, so search that if necessary.
finddir() {
case $1 in
*/*) dirname "$1" ;;
* ) IFS=:
for d in $PATH; do
[ -f "${d:=.}/$1" -a -x "$d/$1" ] && printf %s "$d" && break
done ;;
esac
}
die() {
printf '%s\n' "$usage"; exit ${1:-1}
}
bindir=`finddir $0`
nmhbindir=`cd "$bindir" && pwd`
nmhlibdir=`$nmhbindir/mhparam libdir`
#### Process switches.
compress= ## compress method
compressarg=0 ## whether currently handling -compress
delay= ## delay value
delayarg=0 ## whether currently handling -delay
from= ## From: contents
fromarg=0 ## whether currently handling -from
subject= ## Subject: contents
subjectarg=0 ## whether currently handling -subject
to= ## To: address
toarg=0 ## whether currently handling -to
for arg in "$@"; do
case $arg in
-c|-co|-com|-comp|-compr|-compre|-compres|-compress) compressarg=1 ;;
-d|-de|-del|-dela|-delay) delayarg=1 ;;
-[0-9]|-[0-9][0-9]|-[0-9][0-9][0-9]|-[0-9][0-9][0-9][0-9])
delay=`printf '%s\n' "$arg" | sed -e 's%-%%'` ;;
-f|-fr|-fro|-from) fromarg=1 ;;
#### Support -gzip for backward compatibility.
-gzip) compress=gzip ;;
-h|-he|-hel|-help) die 0 ;;
#### Support -none for backward compatibility.
-none) compress=none ;;
-s|-su|-sub|-subj|-subje|-subjec|-subject) subjectarg=1 ;;
-t|-to) toarg=1 ;;
-v|-ve|-ver|-vers|-versi|-versio|-version)
"$nmhlibdir/viamail" -version | sed 's/viamail/sendfiles/'; exit ;;
-*) die ;;
*) if [ $compressarg -eq 1 ]; then
compress="$arg"
compressarg=0
elif [ $delayarg -eq 1 ]; then
delay="$arg"
delayarg=0
elif [ $fromarg -eq 1 ]; then
from="$arg"
fromarg=0
elif [ $subjectarg -eq 1 ]; then
subject="$arg"
subjectarg=0
elif [ $toarg -eq 1 ]; then
to="$arg"
toarg=0
else
#### Argument doesn't apply to a switch, so we're done with switches.
break
fi ;;
esac
shift
done
#### Check for switch after non-switch argument.
for arg in "$@"; do
case $arg in
-*) die ;;
esac
done
#### Check for required arguments (to, subject, file(s)).
if [ x"$to" = x ]; then
if [ x"$subject" = x ]; then
if [ $# -ge 3 ]; then
to="$1"; shift
subject="$1"; shift
else
die
fi
else
die
fi
else
[ x"$subject" = x -o $# -lt 1 ] && die
fi
#### Check for missing mandatory arguments.
checkforargs() {
if [ $compressarg -eq 1 ]; then
printf 'sendfiles: missing argument to -compress\n' >&2; exit 1
elif [ $delayarg -eq 1 ]; then
printf 'sendfiles: missing argument to -delay\n' >&2; exit 1
elif [ $fromarg -eq 1 ]; then
printf 'sendfiles: missing argument to -from\n' >&2; exit 1
elif [ $subjectarg -eq 1 ]; then
printf 'sendfiles: missing argument to -subject\n' >&2; exit 1
elif [ $toarg -eq 1 ]; then
printf 'sendfiles: missing argument to -to\n' >&2; exit 1
fi
}
checkforargs
[ $# -eq 0 ] && die
if [ x"$from" = x ]; then
if [ x"$PERSON" = x ]; then
from=`"$nmhlibdir/ap" -format '%(localmbox)' 0`
else
from="$PERSON"
fi
fi
#### Determine compression method and descriptive info.
if [ x"$compress" = x ]; then
for compressor in gzip bzip2 lzma compress none; do
if [ x"`finddir $compressor`" = x ]; then :; else
compress="$compressor"
break
fi
done
fi
case $compress in
bzip2) uncompress=bzcat; conversion='; x-conversions=bzip2' ;;
compress) compress='compress -c'; uncompress='uncompress -c';
conversion='; x-conversions=compress' ;;
gzip) compress='gzip -c'; uncompress='gzip -cd'
conversion='; x-conversions=gzip' ;;
lzma) compress='lzma -c'; uncompress='lzma -cd'
conversion='; x-conversions=lzma' ;;
none) compress=cat uncompress=cat; conversion= ;;
*) printf 'sendfiles: unknown compression method "%s"\n' \
"$compress" >&2
die ;;
esac
#### Send using viamail.
tar cvf - "$@" | $compress | \
"$nmhlibdir/viamail" -to "$to" -subject "$subject" \
-from "$from" -parameters "type=tar$conversion" \
-comment "extract with $uncompress | tar xvpf -" \
-delay "$delay" -verbose
|