install

#!/bin/sh

# Some influential environment variables:
#   PREFIX   install hier(7) location
#   MODE     executable mode, defauts to 755
#   UMASK    installer umask, default is 22

yell() { echo "$0: $*" >&2; }
die() { yell "$*"; exit 111; }
try() { "$@" || die "cannot $*"; }

export PATH="$HOME/bin:/opt/local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin"

# a bit superfluous,
umask "${UMASK:-0022}"

# bulletproof portable,
user="`who am i | awk '{print $1}'`"

if [ "${user}" = "root" ] ; then
PREFIX="${PREFIX:-/usr/local}"
else
PREFIX="${PREFIX:-$HOME}"
fi

dothere=$(cd "${0%/*}" 2>/dev/null; echo "`pwd -L`")
myhier="${dothere%/*}"

# using it
echo "## installing pd-trigger utility ##"
try mkdir -p "${PREFIX}/bin"
try cp -v "${dothere}/pd-trigger" /tmp/pd-trigger.installing 
try chown "${user}" /tmp/pd-trigger.installing
try chmod -vv "${MODE:-0755}" /tmp/pd-trigger.installing
try mv -v /tmp/pd-trigger.installing "${PREFIX}/bin/pd-trigger"
echo ""
echo "## To uninstall this program, delete the file: ${PREFIX}/bin/pd-trigger"
echo ""
echo "## pd-trigger utility install complete ##"

exit 0