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POHow to call ghostscript from java with whitespaces in file paths
 

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  1. POHow to call ghostscript from java with whitespaces in file paths
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    <p>Recently I found myself having to launch the ghostscript command from java, in both linux and windows environments, with whitespaces in input/output filenames. An example of the command follows:</p> <pre><code>gs -q -dNOPAUSE -dBATCH -sDEVICE=pnggray -r300 -sOutputFile=/home/nic/tomcat/6.0.33 with spaces/temp/Thread-11/img-%03d.png /home/nic/tomcat/6.0.33 with spaces/temp/tmpfile.tmp </code></pre> <p><em>The gs gets replaced by gswin32 on windows, given that ghostscript is in the Path.</em></p> <p>I quickly realized that I had to escape the file names in some manner, so the first thing I've done was to enclose them between double quotes. This worked on windows, but not on linux: on linux I've tried the double quotes enclosing and also escaping whitespaces with backslashes, but without success. </p> <p>For launching the command I'm using <code>Runtime.getRuntime().exec(command);</code>, passing one single string. I found the following question <a href="https://stackoverflow.com/questions/1804646/getting-ghostscript-to-take-in-files-with-spaces-in-their-name-like-something-i">getting ghostscript to take in files with spaces in their name (like something in &quot;my documents&quot;)</a> but:</p> <ul> <li>I desired to extend it also for linux;</li> <li>I found that double quoting works for me, differently than how it's pointed out there.</li> </ul> <p>I would like to understand this thing once per all: can you help me to do this?</p> <p>Here follows a summary of my attempts, per SO.</p> <h2>Windows</h2> <p>Enclosing file names in double quotes worked for me:</p> <pre><code>gswin32 -q -dNOPAUSE -dBATCH -sDEVICE=pnggray -r300 -sOutputFile="C:\Program Files\tomcat 6.0.33 with spaces\temp\Thread-11\img-%03d.png" "C:\Program Files\tomcat 6.0.33 with spaces\temp\tmpfile.tmp" </code></pre> <h2>Linux</h2> <p>Tried to enclose file names in double quotes</p> <pre><code>gs -q -dNOPAUSE -dBATCH -sDEVICE=pnggray -r300 -sOutputFile="/home/nic/tomcat/6.0.33 with spaces/temp/Thread-11/img-%03d.png" "/home/nic/tomcat/6.0.33 with spaces/temp/tmpfile.tmp" </code></pre> <p>Tried to escape white space with backslash</p> <pre><code>gs -q -dNOPAUSE -dBATCH -sDEVICE=pnggray -r300 -sOutputFile=/home/nic/tomcat/6.0.33\ with\ spaces/temp/Thread-11/img-%03d.png /home/nic/tomcat/6.0.33\ with\ spaces/temp/tmpfile.tmp </code></pre> <p>Tried both together</p> <pre><code>gs -q -dNOPAUSE -dBATCH -sDEVICE=pnggray -r300 -sOutputFile="/home/nic/tomcat/6.0.33\ with\ spaces/temp/Thread-11/img-%03d.png" "/home/nic/tomcat/6.0.33\ with\ spaces/temp/tmpfile.tmp" </code></pre>
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