whatis.sh

#!/bin/bash

if [ -r $1 ]
then
    if [ -w $1 ]
    then
        if [ -x $1 ]
        then
            if [ -f $1 ]
            then
                if [ -d $1 ]
                then
                    if [ -s $1 ]
                    then
                        if [ -e $1 ]
                        then
                            if [ -c $1 ]
                            then
                                if [ -b $1 ]
                                then
                                    if [ -p $1 ]
                                    then
                                        if [ -h $1 ]
                                        then
                                            if [ -L $1 ]
                                            then
                                                if [ -S $1 ]
                                                then
                                                    if [ -g $1 ]
                                                    then
                                                        if [ -u $1 ]
                                                        then
                                                            if [ -k $1 ]
                                                            then
                                                                if [ -t $1 ]
                                                                then
                                                                    if [ -T $1 ]
                                                                    then
                                                                        if [ -N $1 ]
                                                                        then
                                                                            if [ -O $1 ]
                                                                            then
                                                                                if [ -G $1 ]
                                                                                then
                                                                                    echo "All permissions are granted"
                                                                                else
                                                                                    echo "Group does not have read permission"
                                                                                fi
                                                                            else
                                                                                echo "Owner does not have read permission"
                                                                            fi
                                                                        else
                                                                            echo "File is not modified"
                                                                        fi
                                                                    else
                                                                        echo "File is not a text file"
                                                                    fi
                                                                else
                                                                    echo "File is not a terminal"
                                                                fi
                                                            else
                                                                echo "File is not sticky"
                                                            fi
                                                        else
                                                            echo "File is not setuid"
                                                        fi
                                                    else
                                                        echo "File is not setgid"
                                                    fi
                                                else
                                                    echo "File is not socket"
                                                fi
                                            else
                                                echo "File is not symbolic link"
                                            fi
                                        else
                                            echo "File is not hard link"
                                        fi
                                    else
                                        echo "File is not named pipe"
                                    fi
                                else
                                    echo "File is not block special"
                                fi
                            else
                                echo "File is not character special"
                            fi
                        else
                            echo "File does not exist"
                        fi
                    else
                        echo "File is empty"
                    fi
                else
                    echo "File is not a directory"
                fi
            else
                echo "File is not a regular file"
            fi
        else
            echo "File is not executable"
        fi
    else
        echo "File is not writable"
    fi
else