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Diffstat (limited to '20130123/os.sh')
| -rwxr-xr-x | 20130123/os.sh | 228 |
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diff --git a/20130123/os.sh b/20130123/os.sh new file mode 100755 index 0000000..9e45f37 --- /dev/null +++ b/20130123/os.sh @@ -0,0 +1,228 @@ +: +# NAME: +# os.sh - operating system specifics +# +# DESCRIPTION: +# This file is included at the start of processing. Its role is +# to set the variables OS, OSREL, OSMAJOR, MACHINE and MACHINE_ARCH to +# reflect the current system. +# +# It also sets variables such as MAILER, LOCAL_FS, PS_AXC to hide +# certain aspects of different UNIX flavours. +# +# SEE ALSO: +# site.sh,funcs.sh +# +# AUTHOR: +# Simon J. Gerraty <sjg@crufty.net> + +# RCSid: +# $Id: os.sh,v 1.44 2010/06/29 15:37:21 sjg Exp $ +# +# @(#) Copyright (c) 1994 Simon J. Gerraty +# +# This file is provided in the hope that it will +# be of use. There is absolutely NO WARRANTY. +# Permission to copy, redistribute or otherwise +# use this file is hereby granted provided that +# the above copyright notice and this notice are +# left intact. +# +# Please send copies of changes and bug-fixes to: +# sjg@crufty.net +# + +# this lets us skip sourcing it again +_OS_SH=: + +OS=`uname` +OSREL=`uname -r` +OSMAJOR=`IFS=.; set $OSREL; echo $1` +MACHINE=`uname -m` +MACHINE_ARCH=`uname -p 2>/dev/null || echo $MACHINE` + +# there is at least one case of `uname -p` outputting +# a bunch of usless drivel +case "$MACHINE_ARCH" in +*[!A-Za-z0-9_-]*) MACHINE_ARCH="$MACHINE";; +esac + +# we need this here, and it is not always available... +Which() { + case "$1" in + -*) t=$1; shift;; + *) t=-x;; + esac + case "$1" in + /*) test $t $1 && echo $1;; + *) + # some shells cannot correctly handle `IFS` + # in conjunction with the for loop. + _dirs=`IFS=:; echo ${2:-$PATH}` + for d in $_dirs + do + test $t $d/$1 && { echo $d/$1; break; } + done + ;; + esac +} + +# tr is insanely non-portable wrt char classes, so we need to +# spell out the alphabet. sed y/// would work too. +toUpper() { + ${TR:-tr} abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ +} + +toLower() { + ${TR:-tr} ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz +} + +K= +case $OS in +AIX) # everyone loves to be different... + OSMAJOR=`uname -v` + OSREL="$OSMAJOR.`uname -r`" + LOCAL_FS=jfs + PS_AXC=-e + SHARE_ARCH=$OS/$OSMAJOR.X + ;; +SunOS) + CHOWN=`Which chown /usr/etc:/usr/bin` + export CHOWN + + # Great! Solaris keeps moving arch(1) + # should just bite the bullet and use uname -p + arch=`Which arch /usr/bin:/usr/ucb` + + MAILER=/usr/ucb/Mail + LOCAL_FS=4.2 + + case "$OSREL" in + 4.0*) + # uname -m just says sun which could be anything + # so use arch(1). + MACHINE_ARCH=`arch` + MACHINE=$MACHINE_ARCH + ;; + 4*) + MACHINE_ARCH=`arch` + ;; + 5*) + K=-k + LOCAL_FS=ufs + MAILER=mailx + PS_AXC=-e + # can you believe that ln on Solaris defaults to + # overwriting an existing file!!!!! We want one that works! + test -x /usr/xpg4/bin/ln && LN=${LN:-/usr/xpg4/bin/ln} + # wonderful, 5.8's tr again require's []'s + # but /usr/xpg4/bin/tr causes problems if LC_COLLATE is set! + # use toUpper/toLower instead. + ;; + esac + case "$OS/$MACHINE_ARCH" in + *sun386) SHARE_ARCH=$MACHINE_ARCH;; + esac + ;; +*BSD) + K=-k + MAILER=/usr/bin/Mail + LOCAL_FS=local + case "$-" in + *i*) ;; + *) ENV=;; + esac + # NetBSD at least has good backward compatability + # so NetBSD/i386 is good enough + case $OS in + NetBSD) SHARE_ARCH=$OS/${MACHINE_ARCH:-$MACHINE};; + OpenBSD) + arch=`Which arch /usr/bin:/usr/ucb:$PATH` + MACHINE_ARCH=`$arch -s` + ;; + esac + NAWK=awk + export NAWK + ;; +HP-UX) + TMP_DIRS="/tmp /usr/tmp" + LOCAL_FS=hfs + MAILER=mailx + # don't rely on /bin/sh, its broken + _shell=/bin/ksh; ENV= + # also, no one would be interested in OSMAJOR=A + case "$OSREL" in + ?.09*) OSMAJOR=9; PS_AXC=-e;; + ?.10*) OSMAJOR=10; PS_AXC=-e;; + esac + ;; +IRIX) + LOCAL_FS=efs + ;; +Interix) + MACHINE=i386 + MACHINE_ARCH=i386 + ;; +UnixWare) + OSREL=`uname -v` + OSMAJOR=`IFS=.; set $OSREL; echo $1` + MACHINE_ARCH=`uname -m` + ;; +Linux) + # Not really any such thing as Linux, but + # this covers red-hat and hopefully others. + case $MACHINE in + i?86) MACHINE_ARCH=i386;; # we don't care about i686 vs i586 + esac + LOCAL_FS=ext2 + PS_AXC=axc + [ -x /usr/bin/md5sum ] && { MD5=/usr/bin/md5sum; export MD5; } + ;; +QNX) + case $MACHINE in + x86pc) MACHINE_ARCH=i386;; + esac + ;; +Haiku) + case $MACHINE in + BeBox) MACHINE_ARCH=powerpc;; + BeMac) MACHINE_ARCH=powerpc;; + BePC) MACHINE_ARCH=i386;; + esac + ;; +esac + +HOSTNAME=${HOSTNAME:-`( hostname ) 2>/dev/null`} +HOSTNAME=${HOSTNAME:-`( uname -n ) 2>/dev/null`} +case "$HOSTNAME" in +*.*) HOST=`IFS=.; set -- $HOSTNAME; echo $1`;; +*) HOST=$HOSTNAME;; +esac + +TMP_DIRS=${TMP_DIRS:-"/tmp /var/tmp"} +MACHINE_ARCH=${MACHINE_ARCH:-$MACHINE} +# we mount server:/share/arch/$SHARE_ARCH as /usr/local +SHARE_ARCH=${SHARE_ARCH:-$OS/$OSMAJOR.X/$MACHINE_ARCH} +LN=${LN:-ln} +TR=${TR:-tr} + +# Some people like have /share/$HOST_TARGET/bin etc. +HOST_TARGET=`echo ${OS}${OSMAJOR}-${MACHINE_ARCH} | toLower` +export HOST_TARGET + +case `echo -n .` in -n*) N=; C="\c";; *) N=-n; C=;; esac + +export HOSTNAME HOST +export OS MACHINE MACHINE_ARCH OSREL OSMAJOR LOCAL_FS TMP_DIRS MAILER N C K PS_AXC +export LN SHARE_ARCH TR + +case /$0 in +*/os.sh) + for v in $* + do + eval vv=\$$v + echo "$v='$vv'" + done + ;; +esac + |
