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rosservice call in bash causing issues

asked 2014-01-17 01:41:28 -0500

kleinsplash gravatar image

updated 2014-01-20 19:36:00 -0500


I am trying to use bash to execute a bunch of rosservice calls, one after the other. Some work but the ones that ask for position ones don't:

rosservice call /wam/cart_move "position: - 0
- 0
- 0.5"

They work if I put them in terminal no problem, but I cannot bash call them.. Any suggestions as to why this my be the case?

Update: 21 Jan - @Wolf saved the day - had to include sleep command to allow the service to run.. Thank you ros answers!

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How does your script file look like? What is the error messsage? I can call rosservice from a bash shell script without problems. Did you select bash (# !/bin/bash ) at top of your script?

Wolf gravatar image Wolf  ( 2014-01-17 03:16:25 -0500 )edit

It's a typical .sh script: #! /bin/bash rosservice call /bhand/open_spread rosservice call /wam/cart_move "position: - 0 - 0 - 0.5" rosservice call /wam/cart_move "position: - 0.87 - -0.15 - -0.45"

kleinsplash gravatar image kleinsplash  ( 2014-01-17 03:52:19 -0500 )edit

What type of service is that?

dornhege gravatar image dornhege  ( 2014-01-20 00:19:03 -0500 )edit

What kind of error do you get?

BennyRe gravatar image BennyRe  ( 2014-01-20 04:02:10 -0500 )edit

I dont get an error - this runs without a problem - but does not execute all the command (specifically the service call to /wam/cart_move)

kleinsplash gravatar image kleinsplash  ( 2014-01-20 04:38:21 -0500 )edit

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answered 2014-01-20 05:04:36 -0500

Wolf gravatar image

Did you try to add a sleep for a short time between your service calls (Or call with --wait ...)? Maybe your node is just busy if you call the services immediately one after another...

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Thats it :) thank you.. I tried converting your comment to answer - but wasnt able to.. perhaps admin did the rest..

kleinsplash gravatar image kleinsplash  ( 2014-01-20 20:50:17 -0500 )edit

If this answer solves the problem, please click the checkmark item next to the question to mark it answered.

dornhege gravatar image dornhege  ( 2014-01-20 21:53:14 -0500 )edit

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Asked: 2014-01-17 01:41:28 -0500

Seen: 676 times

Last updated: Jan 20 '14