#!/usr/bin/env bash

uname -a | egrep -i "^Linux" | fgrep -i i386 >/dev/null  &&  arch="linux_x86"
uname -a | egrep -i "^Linux" | fgrep -i ia64 >/dev/null  &&  arch="linux_x86_64"
uname -a | egrep -i "^Linux" | fgrep -i x86_64 >/dev/null  &&  arch="linux_x86_64"
uname -a | egrep -i "^Darwin" | fgrep -i i386 >/dev/null  && arch="darwin_i386"
uname -a | egrep -i "^Darwin" | fgrep -i power >/dev/null  && arch="darwin_ppc"
uname -a | egrep -i "^SunOS"  | fgrep -i sparc >/dev/null   &&  arch="sunos_sparc"
uname -a | egrep -i "^IRIX"  | fgrep -i IP >/dev/null   &&  arch="IRIX_mipseb"
echo ${arch}