Technology Notebook

Perl::File Testing

# -o $file true if owned by EUID
# -e $file exists
# -z $file zero file
# -s $file non-zero file, returns size
# -r $file readable
# -w $file writeable
# -x $file executable
# -f $file plain file
# -d $file directory
# -l $file symbolic link
# -p $file named pipe or FIFO
# -S $file socket
# -b $file block special file
# -c $file character special file
# -T $file text file
# -B $file binary file
# -u $file setuid
# -g $file setgid
# -k $file sticky
# -t $file true if opened to a tty
# -M $file age in days since modified
# -A $file age in days since last accessed
# -C $file age in days since inode changed