Re: [groovy-dev] groovy -e 'print "hello\n"'

Thanks Joe. I remember Yuri submitting a similar patch that fell  
through the cracks. Any chance you could supply it again using the +/-  
style of patch please?

http://groovy.codehaus.org/Contributing

Incidentally supporting  -p -i -e would be cool

On 8 Jul 2004, at 16:47, Joe Batt wrote:
> I'm new to groovy, so this may have already been discussed and disposed
> of before, but here is a patch to allow groovy to be used like awk.
>
> For example
> ---
> ps auxwww| groovy -e 'System.in.eachLine { print
> it.split("\\s+")[10]+"\n" }'
> ---
>
> There may be a way to avoid the file all together, but I didn't dig  
> that
> deep.
>
> Joe
>
> fred:/home/battjt/groovy/groovy-core# cvs diff
> src/main/groovy/lang/GroovyShell.java
> Index: src/main/groovy/lang/GroovyShell.java
> ===================================================================
> RCS file:
> /home/projects/groovy/scm/groovy/groovy-core/src/main/groovy/lang/ 
> GroovyShell.java,v
> retrieving revision 1.28
> diff -r1.28 GroovyShell.java
> 49a50
>> import java.io.FileOutputStream;
> 83c84
> <             System.out.println("Usage: Groovy groovyScript
> [arguments]");
> ---
>>             System.out.println("Usage: Groovy (groovyScriptFile|-e
> groovyScript) [arguments]");
> 86c87,115
> <         String scriptName = args[0];
> ---
>>         int base;
>>         File file = null;
>>         if ("-e".equals(args[0])) {
>>           base = 2;
>>           FileOutputStream out = null;
>>           try {
>>             file = File.createTempFile("groovy", ".groovy");
>>             file.deleteOnExit();
>>             out = new FileOutputStream(file);
>>             out.write(args[1].getBytes());
>>           }
>>           catch (IOException e) {
>>             System.err.println("Unable to process script: " + e);
>>             e.printStackTrace();
>>           }
>>           finally {
>>             if (out != null) {
>>               try {
>>                 out.close();
>>               }
>>               catch (IOException e) {
>>                 // nothing we can do
>>               }
>>             }
>>           }
>>         } else {
>>           base = 1;
>>           file = new File(args[0]);
>>         }
> 88,89c117,118
> <         if (length > 1) {
> <             System.arraycopy(args, 1, newArgs, 0, length - 1);
> ---
>>         if (length > base) {
>>             System.arraycopy(args, base, newArgs, 0, length - base);
> 94c123
> <             groovy.run(new File(scriptName), newArgs);
> ---
>>             groovy.run(file, newArgs);
>
>
>

James
-------
http://radio.weblogs.com/0112098/