Old src/linux/doc/man/jrunscript.1

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  23 .\"     Arch: generic
  24 .\"     Software: JDK 8
  25 .\"     Date: 21 November 2013
  26 .\"     SectDesc: Scripting Tools
  27 .\"     Title: jrunscript.1
  28 .\"
  29 .if n .pl 99999
  30 .TH jrunscript 1 "21 November 2013" "JDK 8" "Scripting Tools"
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  50 
  51 .SH NAME    
  52 jrunscript \- Runs a command-line script shell that supports interactive and batch modes\&. This command is experimental and unsupported\&.
  53 .SH SYNOPSIS    
  54 .sp     
  55 .nf     
  56 
  57 \fBjrunscript\fR [\fIoptions\fR] [\fIarguments\fR]
  58 .fi     
  59 .sp     
  60 .TP     
  61 \fIoptions\fR
  62 The command-line options\&. See Options\&.
  63 .TP     
  64 \fIarguments\fR
  65 Arguments, when used, follow immediately after options or the command name\&. See Arguments\&.
  66 .SH DESCRIPTION    
  67 The \f3jrunscript\fR command is a language-independent command-line script shell\&. The \f3jrunscript\fR command supports both an interactive (read-eval-print) mode and a batch (\f3-f\fR option) mode of script execution\&. By default, JavaScript is the language used, but the \f3-l\fR option can be used to specify a different language\&. By using Java to scripting language communication, the \f3jrunscript\fR command supports an exploratory programming style\&.
  68 .SH OPTIONS    
  69 .TP
  70 -classpath \fIpath\fR
  71 .br
  72 Indicate where any class files are that the script needs to access\&.
  73 .TP
  74 -cp \fIpath\fR
  75 .br
  76 Same as \f3-classpath\fR\f3path\fR\&.
  77 .TP
  78 -D\fIname\fR=\fIvalue\fR
  79 .br
  80 Sets a Java system property\&.
  81 .TP
  82 -J\fIflag\fR
  83 .br
  84 Passes \f3flag\fR directly to the Java Virtual Machine where the \f3jrunscript\fR command is running\&.
  85 .TP
  86 -I \fIlanguage\fR
  87 .br
  88 Uses the specified scripting language\&. By default, JavaScript is used\&. To use other scripting languages, you must specify the corresponding script engine\&'s JAR file with the \f3-cp\fR or \f3-classpath\fR option\&.
  89 .TP
  90 -e \fIscript\fR
  91 .br
  92 Evaluates the specified script\&. This option can be used to run one-line scripts that are specified completely on the command line\&.
  93 .TP
  94 -encoding \fIencoding\fR
  95 .br
  96 Specifies the character encoding used to read script files\&.
  97 .TP
  98 -f \fIscript-file\fR
  99 .br
 100 Evaluates the specified script file (batch mode)\&.
 101 .TP
 102 -f -
 103 .br
 104 Reads and evaluates a script from standard input (interactive mode)\&.
 105 .TP
 106 -help
 107 .br
 108 Displays a help message and exits\&.
 109 .TP
 110 -?
 111 .br
 112 Displays a help message and exits\&.
 113 .TP
 114 -q
 115 .br
 116 Lists all script engines available and exits\&.
 117 .SH ARGUMENTS    
 118 If arguments are present and if no \f3-e\fR or \f3-f\fR option is used, then the first argument is the script file and the rest of the arguments, if any, are passed to the script\&. If arguments and \f3-e\fR or the \f3-f\fR option are used, then all arguments are passed to the script\&. If arguments, \f3-e\fR and \f3-f\fR are missing, then interactive mode is used\&. Script arguments are available to a script in an engine variable named \f3arguments\fR of type \f3String\fR array\&.
 119 .SH EXAMPLES    
 120 .SS EXECUTE\ INLINE\ SCRIPTS    
 121 .sp     
 122 .nf     
 123 \f3jrunscript \-e "print(\&'hello world\&')"\fP
 124 .fi     
 125 .nf     
 126 \f3jrunscript \-e "cat(\&'http://www\&.example\&.com\&')"\fP
 127 .fi     
 128 .nf     
 129 \f3\fP
 130 .fi     
 131 .sp     
 132 .SS USE\ SPECIFIED\ LANGUAGE\ AND\ EVALUATE\ THE\ SCRIPT\ FILE    
 133 .sp     
 134 .nf     
 135 \f3jrunscript \-l js \-f test\&.js\fP
 136 .fi     
 137 .nf     
 138 \f3\fP
 139 .fi     
 140 .sp     
 141 .SS INTERACTIVE\ MODE    
 142 .sp     
 143 .nf     
 144 \f3jrunscript\fP
 145 .fi     
 146 .nf     
 147 \f3js> print(\&'Hello World\en\&');\fP
 148 .fi     
 149 .nf     
 150 \f3Hello World\fP
 151 .fi     
 152 .nf     
 153 \f3js> 34 + 55\fP
 154 .fi     
 155 .nf     
 156 \f389\&.0\fP
 157 .fi     
 158 .nf     
 159 \f3js> t = new java\&.lang\&.Thread(function() { print(\&'Hello World\en\&'); })\fP
 160 .fi     
 161 .nf     
 162 \f3Thread[Thread\-0,5,main]\fP
 163 .fi     
 164 .nf     
 165 \f3js> t\&.start()\fP
 166 .fi     
 167 .nf     
 168 \f3js> Hello World\fP
 169 .fi     
 170 .nf     
 171 \f3\fP
 172 .fi     
 173 .nf     
 174 \f3js>\fP
 175 .fi     
 176 .nf     
 177 \f3\fP
 178 .fi     
 179 .sp     
 180 .SS RUN\ SCRIPT\ FILE\ WITH\ SCRIPT\ ARGUMENTS    
 181 The test\&.js file is the script file\&. The \f3arg1\fR, \f3arg2\fR and \f3arg3\fR arguments are passed to the script\&. The script can access these arguments with an arguments array\&.
 182 .sp     
 183 .nf     
 184 \f3jrunscript test\&.js arg1 arg2 arg3\fP
 185 .fi     
 186 .nf     
 187 \f3\fP
 188 .fi     
 189 .sp     
 190 .SH SEE\ ALSO    
 191 If JavaScript is used, then before it evaluates a user defined script, the \f3jrunscript\fR command initializes certain built-in functions and objects\&. These JavaScript built-ins are documented in JsDoc-Toolkit at http://code\&.google\&.com/p/jsdoc-toolkit/
 192 .RE
 193 .br
 194 'pl 8.5i
 195 'bp