Create MongoDB links in /usr/local/bin

mkmongolinks

#!/bin/bash
MongoInstPath=/usr/local/mongodb
localbin=/usr/local/bin

USAGE="$(basename $0) [ remove | help ]"
HELP=" remove :  uninstall the MongoDB symlinks in $localbin \n  
 help : this message"


MongoFiles="bsondump
mongo
mongod
mongodump
mongoexport
mongofiles
mongoimport
mongooplog
mongoperf
mongorestore
mongos
mongosniff
mongostat
mongotop"

function verify_localbin() {
    # verify files dont exist in $localbin
    echo -n "Verifying Mongo bin files in $localbin:"
    for f in $MongoFiles; do
        [ -e $localbin/$f ] && Failed=true
        if [ $Failed ]; then
            echo "[failed]"
            echo "$f already exists in $localbin"
            exit 1
        else
            echo -n "."
        fi
    done
    echo "[OK]"
}

function verify_mongofiles() {
    # verify files exist in $MongoInstPath
    echo -n "Verifying Mongo bin files in $MongoInstPath/bin:"
    for f in $MongoFiles; do
        [ -f $MongoInstPath/bin/$f ] || Failed=true
        if [ $Failed ]; then
            echo "[failed]"
            echo "Did not locate $MongoInstPath/bin/$f"
            exit 1
        else
            echo -n "."
        fi
    done
    echo "[OK]"
} 

function remove_mongodblinks() {
    # remove symlinks in $localbin
    for f in $MongoFiles; do
        echo -n "removing mongodb symlink $localbin/$f .. "
        [ -L $localbin/$f ] && \rm -f $localbin/$f && echo "[OK]" || echo "[skipped]"
    done
    echo "Done."
}

function create_links() {
    # create links
    for f in $MongoFiles; do
        echo -n "creating link: $f in $localbin .. "
        ln -s $MongoInstPath/bin/$f $localbin || Failed=true
        if [ $Failed ]; then
            echo "[failed]"
            exit 1
        else
            echo "[OK]"
        fi
    done
    echo "Success."
}

## Main ##
if [ $1 ]; then
    case $1 in
        h|-h|help|--help|-?) echo $USAGE
                             echo -e $HELP
                             ;;
        remove) remove_mongodblinks
                ;;
        *) echo "unknown option $1"
           echo $USAGE
           ;;
    esac
else 
    verify_localbin
    verify_mongofiles
    create_links
fi