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I'm writing a bash script to install php5.4 and I'd like to automate this for a test VM. The rpm command I have is:

rpm -Uvh http://mirror.webtatic.com/yum/el5/latest.rpm
yum install php54w

Now, in the middle of this running, there is a user prompt to enter [Y/N] whether or not to download the dependencies. So I either need to:

  1. Simulate the user input of [Y]; or

  2. pass in a command for yum not to ask and assume [Y]

What is the best method for a bash script and how do I accomplish both of the above?

share|improve this question
up vote 29 down vote accepted

You can use the -y switch:

$ yum -y install php54w
excerpt from the yum man page
-y, --assumeyes
      Assume yes; assume that the answer to any question which would be asked
      is yes. Configuration Option: assumeyes
share|improve this answer
Thank You. That was quick. Funny enough I was trying flags on rpm, and couldn't find it - but it makes sense that the yum is where it goes. – Bradley Jul 24 '13 at 19:49
@Bradley - Glad it helped. Please mark this as the accepted answer so that everyone knows your issue's been resolved. – slm Jul 24 '13 at 19:53
I intend to! I have to wait '2 more minutes' by stackexchange rules. – Bradley Jul 24 '13 at 19:59
@Bradley - sorry I never realized there was a time limit on that 8-). – slm Jul 24 '13 at 20:00

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