taskGNU Astronomy Utilities - Tasks: task #14691, cosmiccal: handle stdin and act as...


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task #14691: cosmiccal: handle stdin and act as a filter to stdout

Submitted by:  Boud Roukema <boud>
Submitted on:  Tue 03 Oct 2017 03:15:44 PM UTC  
Should Start On:  Tue 03 Oct 2017 12:00:00 AM UTC Should be Finished on:  Thu 03 Oct 2019 12:00:00 AM UTC
Category:  CosmicCalculator Priority:  5 - Normal
Item Group:  New feature Status:  None
Privacy:  Public Percent Complete:  0%
Assigned to:  Boud Roukema <boud> Open/Closed:  Open
Effort:  0.00

Tue 03 Oct 2017 03:15:44 PM UTC, original submission:  

It would be good if cosmiccal can read a list of redshifts
or times from standard input stdin and output the (single)
chosen parameter (or possibly: multiple space-separated parameters) to standard output stdout. A simple way to do
this is to read from stdin until EOF as in cosmdist:


Ways to modify cosmiccal include:

  • if neither redshift or time are entered, then read and filter stdin
  • add a single minus "-" option as a parameter to override default input redshift or time

More ambitious methods include communicating directly between
the processes before and after the pipe.

Boud Roukema <boud>
Project MemberIn charge of this item.


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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2017-10-18 boud Should be Finished on2017-10-03 => 2019-10-03

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