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POHow do I use a variable in a grep with groovy?
 

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  1. POHow do I use a variable in a grep with groovy?
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    <p>I need to grep for lines with bunch of names, say <code>clientLogin=a@yahoo.com</code>, <code>clientLogin=b@gmail.com</code> from a file.txt.</p> <p>file.txt has junk which is <code>email=a@yahoo.com email=b@gmail.com</code>. I need to filter these out</p> <p>Once I get these lines I need to grep for gmail and yahoo and get their counts</p> <pre><code>List l = new ArrayList{a@yahoo.com, b@gmail.com} def gmail = ['sh','-c','grep "clientLogin="$l.get(0) file.txt' | grep gmail | wc -l ] def yahoo = ['sh','-c','grep "clientLogin="$l.get(1) file.txt' | grep yahoo| wc -l ] </code></pre> <p>This doesn't work. How can I substitute the $l.get(1) value dynamically?</p> <hr> <p>the problem is that ${l.get(0)} has to be inside the " ", i.e.:</p> <pre><code>def gmail = ['sh','-c','grep "clientLogin=${l.get(0)}" file.txt' | grep gmail | wc -l ] </code></pre> <p>so that it will look like:</p> <pre><code>def gmail = ['sh','-c','grep "clientLogin=a@yahoo.com" file.txt' | grep gmail | wc -l ] </code></pre> <p>but <code>clientLogin=${l.get(0)}</code> doesn't produce the result. I am not sure where I am going wrong. </p> <p>Thanks for your suggestion but it doesn't produce the result, at least when I tried it.</p> <hr> <p>file.txt has lot of junk and a pattern something like:</p> <pre><code>Into the domain clientLogin=a@yahoo.com exit on 12/01/2008 etc.. </code></pre> <p>hence I do </p> <pre><code>def ex = ['sh','-c','grep "domain clientLogin=$client" file.txt'| grep "something more" | wc -l] </code></pre> <p>that way I can chain the grep as I want and eventually land at the count I need.</p> <p>I am not sure if I can chain the greps if I use </p> <pre><code>def ex = ['grep', "$client", 'file.txt'] </code></pre> <p>thanks for your input.</p>
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