Filesystem

Miscellaneous filesystem-related functions.

Functions in this category

Details

resolveLink

Syntax: resolveLink SYMLINK

SYMLINK: A symbolic link file. Outputs: The resolved filename.

Recursively resolve symbolic links.

Example: touch foo ln -s foo sym1 ln -s sym1 sym2 resolveLink sym2 # => foo

removeDir

Syntax: removeDir <DIRECTORY>

DIRECTORY: The directory to remove. Returns: 0 if DIRECTORY is removed, 1 otherwise.

Recursively check if DIRECTORY is empty, and remove it if it is. See also: dirIsEmpty()

dirIsEmpty

Syntax: dirIsEmpty <DIRECTORY>

DIRECTORY: A directory name. Returns: 0 if DIRECTORY is empty, 1 if it's not.

Check whether DIRECTORY is empty. If DIRECTORY only contains empty subdirectories then DIRECTORY will be considered empty.

prune

Syntax: prune <DIRECTORY>

DIRECTORY: A directory.

If DIRECTORY is empty, change to the parent directory and delete DIRECTORY. Repeats until it reaches a directory that is no longer empty. See also: removeDir().

Example: mkdir -p a/deep/directory touch a/file prune a/deep/directory ls a/deep # => "a/deep: no such file or directory"

haveWriteAccess

Syntax: haveWriteAccess <DIRECTORY>

DIRECTORY: The directory name. Returns: 0 if we have write access, 1 if we don't.

Checks whether we have write access to DIRECTORY.