[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
## Re: Vote: Should $PARALLEL_PID {#} count from 0 or 1

**From**: |
Ole Tange |

**Subject**: |
Re: Vote: Should $PARALLEL_PID {#} count from 0 or 1 |

**Date**: |
Thu, 14 Apr 2011 21:32:48 +0200 |

On Thu, Apr 14, 2011 at 8:34 PM, Hans Schou <chlor@schou.dk> wrote:
>* On Thu, 14 Apr 2011, Jay Hacker wrote:*
>
>* A usefull example:*
>* cat /var/log/messages | cut -c1-$COLUMNS*
>
>*> * Integer division of N things numbered 0..N-1 by N maps consecutive*
>*> items the same group; 1..N does not*
>*> * Integer remainder of N things numbered 0..N-1 mod N gives nice,*
>*> ordered round-robin groups; 1..N does not*
>*> * Most clusters name their machines node000-nodeXXX*
>*> * Having to escape $(( {#} - 1 )) in Bash is not pretty*
>
>* Can you give an example where this is used with parallel?*
I am undecided either way, but I lay heavy weight on actual useful
things you can do with the relevant starting number. So please help us
find good examples for either 0 or 1 as starting number.
/Ole