Re: PATH (was total newbie)

[Michael O'Donnell]

FWIW...

I've worked at so many places with so many screwed up
PATH definitions that I've basically just collected
(don't laugh!)  all likely PATH components from
every place I've ever worked in a list.  When I start
working somewhere new I first execute my pathPreen()
function (after suitably sorting the members of
ALL_POSSIBLE_PATH_DIRS to reflect the desired precedence)
and then save the resultant PATH string in my .bashrc
for static init of my PATH thereafter at that site.

These definitions live in my .bashrc:


 ALL_POSSIBLE_PATH_DIRS="
        ~/local/script
        ARCH_DEPENDENT_LOCAL_BIN
        /afs/ri/vice/bin
        /bin
        /etc
        /etc/net
        /home/loverso/local/arch/bin
        /home/loverso/local/bin
        /home/sun_client
        ~jeffc/bin
        /local/bin
        ~loverso/local/arch/bin
        ~loverso/local/bin
        /nfs/bin
        /opt/local/bin
        /opt/local/local/bin
        /opt/X11/bin
        /sbin
        /tools/atria/bin
        /u/bin
        /u/mh
        /u/scripts
        /u/solaris-cc/bin
        /usr/atria/bin
        /usr/bin
        /usr/bin/mh
        /usr/bin/X11
        /usr/ccs/gcc
        /usr/etc
        /usr/games
        /usr/hosts
        /usr/i860/bin
        /usr/lang
        /usr/local
        /usr/local/bin
        /usr/local/games
        /usr/local/gnu/bin
        /usr/local/mh/bin
        /usr/local/netscape
        /usr/local/ode/bin
        /usr/local/ode/lib
        /usr/local/script
        /usr/local/share
        /usr/local/tcl/bin
        /usr/local/TeX/bin
        /usr/local/X11/bin
        /usr/mercury/bin
        /usr/mercury/bin/solaris-2_5-sparc_elf
        /usr/openwin/bin
        /usr/osf/bin
        /usr/sbin
        /usr/ucb
        /usr/X11
        /usr/X11/bin
        /usr/x11r5/bin
        /usr/X386/bin
        /usr/xpg4/bin
        /u/x11r5/bin
        /vobs/build/exports/bin
        /vobs/build/exports/scripts
        /vobs/gdb/kgdb
        /vobs/mcos/ccbuild/exports/bin
        ."                              #Yes, '.' is a security risk


function pathPreen()
{
    if [ -z "$ARCH" ]
    then
        echo ARCH envar not set
        return 1
    fi

    RZQPATHRZQ=""
    for f in $ALL_POSSIBLE_PATH_DIRS
    do
        f=`eval echo $f`
        if [ "$f" = ARCH_DEPENDENT_LOCAL_BIN ]
        then
                f=~/local/bin.$ARCH
        fi
        if [ -d $f/. ]
        then
            echo "INCLUDE $f"
            RZQPATHRZQ="$RZQPATHRZQ:$f"
        else
            echo "EXCLUDE                       $f"
        fi
    done
    export PATH=$RZQPATHRZQ
}

function pathCheck()
{
    for f in `echo $PATH | sed -e 's/:/ /g' `
    do
        echo "####" $f....
        ll -d $f/.
    done
}


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