Chapter 9. Finding Files with find
How to Use find
The utility find is one of the most useful and important of the Unix utilities. It finds files that match a given set of parameters, ranging from the file’s name to its modification date. In this chapter, we’ll be looking at many of the things it can do. As an introduction, here’s a quick summary of its features and basic operators:
path is one or more directories in which
find will begin to search and operators (or, in more customary jargon,
options) tell find which files you’re interested in. The operators are as follows:
Find files with the given
filename. This is the most commonly used operator.
filenamemay include wildcards, but if it does, they must be quoted to prevent the shell from interpreting the wildcards.
Find files with the given access mode. You must give the access mode in octal.
Find the files of the given type, specified by
cis a one-letter code; for example,
ffor a plain file,
bfor a block special file,
lfor a symbolic link, and so forth.
Find files belonging to user
namemay also be a user ID number.
Find files belonging to group
namemay also be a group ID number.
Find files that are
nblocks long. A block usually equals 512 bytes. The notation
nsays “find files that are over
nblocks long.” The notation
csays “find files that are
ncharacters long.” Can you guess what
Find files with the ...