Shell Programming and Scripting

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<p begin="00:41:16.994" style="1">
GODDARD, ARE YOU STILL WITH US?
<br/>
OH, OKAY.
</p>
<p begin="00:41:22.860" style="1">SO GODDARD HAS SHUT DOWN FOR US FOR THE DAY.</p>
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<p begin="00:41:24.160" style="1">
BUT WE DO HAVE A COMMENT, I'M HEARING, FROM OUR SPACE 
</p>
<p begin="00:41:26.860" style="1">WEATHER ACTION TEAM.</p>
<p begin="00:41:28.294" style="1">THIS SHOULD BE VERY INTERESTING.</p>
<p begin="00:41:29.560" style="1">PAUL, WHAT'S HAPPENING OVER THERE?</p>
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<p begin="00:41:32.960" style="1">
WELL, OUR OWN TEAM ALSO HAS SOME QUESTIONS TO POSE TO 
</p>
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<p begin="00:41:33.227" style="1">
OUR EXPERT SCIENTISTS, SO HERE'S ANOTHER QUESTION FOR
<br/>
YOU. 
</p>
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<p begin="00:41:37.794" style="1">
WELL, I KNOW THAT THE SUN IS QUIET RIGHT NOW, SO I 
</p>
<p begin="00:41:39.760" style="1">WOULD LIKE TO KNOW WHEN WILL IT BE ACTIVE AGAIN?</p>
<p begin="00:41:41.460" style="1">THAT'S A VERY GOOD QUESTION.</p>
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awk '/^<$/,/^>$/ { next }; { print }' nasa-content.xml

awk '/</,/>/ {next}; {print}' nasa-content.xml

awk '/</,/>/ {next}; {print tolower($0)}' nasa-content.txt

awk '/</,/>/ {next}; {if (NF > 1) {print tolower($0)}}' nasa-content.xml

$ ruby -ne 'print $_.gsub(/<.*?>/,"").downcase.capitalize.gsub(/[.?]\s*[a-z]/){|x|x.upcase} if not /^−/' file