The jrunscript Command- Line Shell - Scripting in Java: Integrating with Groovy and JavaScript - page 280

Global Functions
The jrunscript command-line shell makes several global functions available for use as
listed in Table 9-3 .

Table 9-3. The List of Global Objects Loaded by the jrunscript Command-Line Shell

Function Description

cat(path, pattern)

Shows the content of a file, URL, or InputStream specified
by path . Optionally, you can specify pattern to show only
the matching contents.

cd(target) Changes the present working directory to the target

directory.

cp(from, to) Copies a file, URL, or stream to another file or stream.

date() Prints the current date using the current locale.

del(pathname) A synonym for the rm command.

dir(d, filter) A synonym for the ls command.

dirname(pathname) Returns the directory part of the specified pathname .

echo(str) Echoes the specified string arguments.

exec(cmd) Starts a child process, executes the specified command,

waits for completion, and returns the exit code.

exit(code) Exit the shell program with the specified code as the

exit code.

find(dir, pattern,
callback)

Find files in dir with file names matching the specified
pattern . When a match is found, the callback function
is called passing the found file. Search is performed
recursively in all subdirectories. You can pass some
functions listed in this table as callback . If callback is not
specified, the default is to print the found files path.
If pattern is not specified, all files are printed.

grep(pattern, files) Unix-like grep , but accepts JavaScript regex patterns.

ip(name)

Prints the IP addresses of a given domain name.

load(path) Loads and evaluates JavaScript code from a stream, file,

or URL.

ls(dir, filter) Lists the files in dir matching the filter regular

expression.

mkdir(dir) Creates a new directory with the name dir .

( continued )