Shell Programming and Scripting

total 0
-rw-rw-r--    a
-rw-rw-r--    b
lrwxrwxrwx    c -> a

$ls -1L 2>/dev/null
b  

gives b because we have deleted a and c is a dead link.

$ls -1
b
c
gives both b and c.

set -A _Array1 `ls -1 | xargs`
set -A _Array2 `ls -1L 2>/dev/null | xargs`

for file in ${_Array1[@]}
do
        _dead=0
        for link in ${_Array2[@]}
        do
                if [[ $file = $link ]]
                then
                        _dead=1
                        break;
                fi
        done
        if [[ $_dead -ne 1 ]]
        then
                echo $file is a dead link.
                #/bin/rm -f $file
        fi
done

$ls -1L 2>/dev/null

#!/bin/ksh
find . -type l -print | while read FILENAME
do
        LINK_COUNT=0
        LINK_COUNT=`ls -ladL "${FILENAME}"|awk '{print $2}'`
        if [ ${LINK_COUNT} -eq 0 ]
        then
                ls -ald "${FILENAME}"
                ls -aldL "${FILENAME}"
                echo ""
        fi
done