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.. -*- coding: utf-8; -*-
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========
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Shell.
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========
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.. contents::
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Quoting.
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========
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http://www.mpi-inf.mpg.de/~uwe/lehre/unixffb/quoting-guide.html
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A Guide to Unix Shell Quoting
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Portability.
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============
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http://code.dogmap.org/lintsh/
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lintsh is a Bourne shell that optionally warns about suspicious
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or nonportable constructs
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Kill processes after timeout.
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=============================
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::
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$ yes xxx& p1=$! ; yes ===& p2=$! ; sleep 2; kill $p1; kill $p2
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