Execute Unix command from Java

Question

In Java how can I execute the following shell command:

osmosis --read-xml file="planet-latest.osm" --bounding-polygon file="country.poly" --write-xml file="australia.osm"

I tried executing it with this code:

Process proc = Runtime.getRuntime().exec("osmosis --read-xml file="planet-latest.osm" --bounding-polygon file="country.poly" --write-xml file="australia.osm"");
InputStream output = proc.getInputStream();

but it seems that the Unix command is not executed.

Brian Knoblauch · Accepted Answer · 2011-10-04 15:22:28Z

2

You may need to specify the complete path to osmosis.

answered Oct 4, 2011 at 15:22

Brian Knoblauch

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2 Comments

Usman Saleem Over a year ago

Also, don't forget to escape double quotes. Or better, use overloaded exec method with arrays to pass arguments.

Barend Over a year ago

In addition, I would recommend that he use Commons-Exec instead of Runtime.exec() or ProcessBuilder.

LordDoskias · Accepted Answer · 2011-10-04 15:25:44Z

1

Using the Runtime is a deprecated way of executing commands. Take a look at ProcessBuilder

answered Oct 4, 2011 at 15:25

LordDoskias

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Comments

Simiil · Accepted Answer · 2011-10-04 15:26:46Z

1

try escaping the double "

Process proc = Runtime.getRuntime().exec("osmosis --read-xml file=\"planet-latest.osm\" --bounding-polygon file=\"country.poly\" --write-xml file=\"australia.osm\"")

answered Oct 4, 2011 at 15:26

Simiil

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1 Comment

Usman Saleem Over a year ago

in Java, a String literal has to start with " (double quotes), your example is starting from a single quote '.

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