[OT] tyro bash script question

[Hidong Kim]

Hi,

I have the following bash script called push:

#!/bin/bash

pushd ()
{
    dirname=$1
    DIR_STACK="$dirname ${DIR_STACK:-$PWD' '}"
    cd ${dirname:?"missing directory name."}
    echo "$DIR_STACK"
}


If I source this script, and do 'pushd /etc', I get what I expect.  I
also have this script called pushdir:

#!/bin/bash

pushd ()
{
    dirname=$1
    DIR_STACK="$dirname ${DIR_STACK:-$PWD}"
    cd ${dirname:?"missing directory name."}
    echo "$DIR_STACK"
}

pushd $1


If I do 'pushdir /etc', it echoes $DIR_STACK, but it doesn't cd to
/etc.  What's wrong here?  I'm running bash 1.14.7(1).  Thanks,



Hidong



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