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GLOBALS - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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Class GLOBALS

Object
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   +--GLOBALS

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class GLOBALS

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Method Summary
<static> void	cat(obj, pattern)            Shows the content of a file, URL or InputStream
<static> void	cd(target)            Changes the present working directory to the given directory
<static> void	cp(from, to)            Copies a file, URL, or stream to another file or stream
<static> void	date()            Prints the current date using the current locale
<static> void	del(pathname)            A synonym for 'rm'
<static> void	dir(d, filter)            A synonym for 'ls'.
<static> Object	dirname(pathname)            Returns the directory part of a filename
<static> void	echo(x)            Echoes the given string arguments
<static> void	exec(cmd)            Execs a child process, waits for completion & returns exit code
<static> void	exit(code)            Exit the shell program.
<static> void	find(dir, pattern, callback)            Find in files.
<static> void	grep(pattern, files )            Unix-like grep, but accepts JavaScript regex patterns
<static> void	ip(name)            Prints the IP addresses of a given domain name
<static> void	load(str)            Loads and evaluates JavaScript code from a stream, file, or URL
<static> void	ls(dir, filter)            Lists the files in a directory
<static> void	mkdir(dir)            Creates a new directory of a given name
<static> void	mkdirs(dir)            Creates a directory, including any necessary but nonexistent parent directories.
<static> void	mv(from, to)            Moves a file to another
<static> Object	printf(format, args)            A C-like printf
<static> void	pwd()            Print the working directory
<static> void	quit(code)            synonym for exit
<static> Object	read(prompt, multiline)            Reads one or more lines from stdin after printing a prompt
<static> void	ren(from, to)            A synonym for 'mv'.
<static> Object	rm(pathname)            Removes a given file
<static> void	rmdir(pathname)            Removes a given directory
<static> void	which(cmd)            Prints which command is selected from PATH
<static> Object	XMLDocument(inp)            Converts input to DOM Document object
<static> Object	XMLResult(out)            Converts an arbitrary stream, file to an XMLResult
<static> Object	XMLSource(inp)            Converts an arbitrary stream, file, URL to an XMLSource
<static> void	XSLTransform(inp, style, out)            Perform XSLT transform

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Method Detail

cat

<static> void cat(obj, pattern)

Shows the content of a file, URL, or InputStream
Examples:

 
    cat('test.txt'); // show test.txt file contents
    cat('http://java.net'); // show the contents from the URL http://java.net 
 
 

Parameters:
obj - input to show
pattern - optional. Show only the lines matching the pattern

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cd

<static> void cd(target)

Changes the present working directory to the given directory

Parameters:
target - the directory to change to. optional, defaults to user's HOME

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cp

<static> void cp(from, to)

Copies a file, URL, or stream to another file or stream

Parameters:
from - the input file, URL, or stream
to - the output stream or file

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date

<static> void date()

Prints the current date using the current locale

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del

<static> void del(pathname)

A synonym for 'rm'

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dir

<static> void dir(d, filter)

A synonym for 'ls'.

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dirname

<static> Object dirname(pathname)

Returns the directory part of a filename

Parameters:
pathname - the input path name

Returns:
the directory part of the given file name

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echo

<static> void echo(x)

Echoes the given string arguments

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exec

<static> void exec(cmd)

Execs a child process, waits for completion & returns the exit code

Parameters:
cmd - the command to execute in child process

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exit

<static> void exit(exitCode)

Exit the shell program.

Parameters:
exitCode - the integer code to be returned to the OS shell. Optional, defaults to 0

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find

<static> void find(dir, pattern, callback)

Find in files. Calls a specified callback function for each matching file.
Examples:

 
    find('.') 
    find('.', '.*\.class', rm);  // remove all .class files 
    find('.', '.*\.java');       // print fullpath of each .java file 
    find('.', '.*\.java', cat);  // print all .java files 
 
 

Parameters:
dir - the directory of files to search
pattern - the pattern to search for
callback - the function to call for matching files

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grep

<static> void grep(pattern, files )

Unix-like grep, but accepts JavaScript regex patterns

Parameters:
pattern - the pattern to search for
files - one or more files to be searched

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ip

<static> void ip(name)

Prints the IP addresses of given domain name

Parameters:
name - the domain name

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load

<static> void load(str)

Loads and evaluates JavaScript code from a stream, file, or URL
Examples:

 
    load('test.js'); // load script file 'test.js'
    load('http://java.sun.com/foo.js'); // load from a URL
 
 

Parameters:
str - the input from which the script is loaded and evaluated

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ls

<static> void ls(dir, filter)

Lists the files in a directory

Parameters:
dir - the directory from which to list the files. Optional, default to pwd
filter - a pattern to filter the files listed. Optional, default is '.'

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mkdir

<static> void mkdir(dir)

Creates a new directory

Parameters:
dir - the name of the new directory

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mkdirs

<static> void mkdirs(dir)

Creates a directory, including any necessary but nonexistent parent directories.

Parameters:
dir - the pathname of the directory to be created

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mv

<static> void mv(from, to)

Moves a file to another

Parameters:
from - the original name of the file
to - the new name for the file

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printf

<static> Object printf(format, args)

A C-like printf

Parameters:
format - the string to format the rest of the print items
args - the variadic argument list

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pwd

<static> void pwd()

Print the working directory

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quit

<static> void quit(code)

A synonym for exit

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read

<static> Object read(prompt, multiline)

Reads one or more lines from stdin after printing a prompt

Parameters:
prompt - the prompt. Optional, default is '>'
multiline - if 0, read a single line, else read multiple lines

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ren

<static> void ren(from, to)

A synonym for 'mv'.

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rm

<static> Object rm(pathname)

Removes a given file

Parameters:
pathname - the name of the file

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rmdir

<static> void rmdir(pathname)

Removes a given directory

Parameters:
pathname - the name of the directory

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which

<static> void which(cmd)

Print the pathname of a command located on PATH

Parameters:
cmd - the name of the command searched from PATH

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XMLDocument

<static> Object XMLDocument(inp)

Converts input to a DOM Document object

Parameters:
inp - a file or reader. Optional, If missing a new DOM Document is returned.

Returns:
returns a DOM Document object

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XMLResult

<static> Object XMLResult(out)

Convert an arbitrary stream or file to an XMLResult

Parameters:
inp - the input stream or file

Returns:
XMLResult object

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XMLSource

<static> Object XMLSource(inp)

Converts an arbitrary stream, file, or URL to an XMLSource

Parameters:
inp - the input stream, file, or URL

Returns:
XMLSource object

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XSLTransform

<static> void XSLTransform(inp, style, out)

Perform an XSLT transform

Parameters:
inp - the input XML to transform (URL, File or InputStream)
style - the XSL Stylesheet to be used (URL, File or InputStream). Optional.
out - the output XML (File or OutputStream)

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