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A comment on Introduction to strace. Parent comment

Re:Introduction to strace by digitalsushi on Thursday December 01, 2016 @02:46PM (#13082790)
let z=$(readlink /proc/self)+1 && strace -p $z

probably a race. i'm not a real programmer.

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Re:Introduction to strace by qb45 on Thursday December 01, 2016 @04:34PM (#13083743) 

  sh -c 'exec strace -p $$'
This is race-free and POSIX-compliant I think.
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