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read.1posix
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cat(1posix)
-n Evidencias%2FBulk_PC-20170427_%2Furl.txt %7C egrep -Eo %22%28http%7Chttps%7Cwww%29%3A%2F%2F%5Ba-zA-Z0-9.%2F%25%26%3F%3D_-%5D*%22 %7C sort %7C uniq %7C egrep -i %22xxx%7Cporn%7Cphoto%7Cvideo%7Cjpg%7Cjpeg%22 %7C tail
read a line from standard input
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