An implementation of Unix dc and POSIX bc with GNU and BSD extensions
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#! /bin/sh
#
# Copyright 2018 Gavin D. Howard
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
#
usage() {
printf "usage: %s install_dir bin_dir\n" "$0" 1>&2
exit 1
}
script=$(realpath "$0")
scriptdir=$(dirname "$script")
INSTALL="$scriptdir/safe-install.sh"
test "$#" -gt 1 || usage
installdir="$1"
shift
bindir="$1"
shift
cd "$bindir"
for exe in ./*; do
base=$(basename "$exe")
if [ -L "$exe" ]; then
L=$(ls -dl "$exe")
link=$(printf ${L#*-> })
"$INSTALL" -Dlm 755 "$link" "$installdir/$base"
else
"$INSTALL" -Dm 755 "$exe" "$installdir/$base"
fi
done