George Coller devilelephant
devilelephant
/ gist:6554811
Created
September 13, 2013 19:12
An easy way to do Unix piping when executing Unix commands from Java or Groovy In unix you can issue a command like: sh -c 'ls -l | sort" which is calling the 'sh' shell with a command and returning the result. I wrote the example in groovy but the trick works with Runtime.exec(String[] cmd) as well.
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| def cmd = ['sh', '-c', 'ls -l | sort'] | |
| def p = cmd.execute() | |
| println p.text | |
| // Java would be something like | |
| // String[] cmd = { "sh", "-c", "ls -l | sort" }; | |
| // Process p = Runtime.getRuntime().exec(cmd); | |
| // ... |
devilelephant
/ gist:6554529
Created
September 13, 2013 18:48
Groovy XML Markup Builder Tricks: CDATA, declaration, comments
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| def out = new StringWriter() | |
| def xml = new groovy.xml.MarkupBuilder(out) | |
| // MarkupBuilder gives us an instance of MarkupBuilderHelper named 'mkp' | |
| // MarkupBuilderHelper has several helpful methods | |
| xml.mkp.xmlDeclaration(version: "1.0", encoding: "utf-8") | |
| xml.example { | |
| a { | |
| b { | |
| mkp.comment('a comment') |
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