UNIX for Dummies Questions & Answers

Hi All,

I am running a script which wud take a long time to complete execution ... In between, it asks for yes/no sort of confirmation from user for doing some acivities .... Now that I dont want to wait till the script executes upto this point where it needs user confirmation, is there any way by which I can store my confirmations (all Y's or N's whatever it is) in a file and tell the script to take the run time arguments from this file as and when it needs ...

I am sure that I have read of some command by which this can be done but not able to recollect it at present ..

Can any one help me here ?

Thanks in advance,

SNS

Did you try expect ?

Vino

Redirect stdin

Code:

command < responsefile

or a here document:

Code:

command <<EOF
y
n
n
y
n
y
EOF

Hi,

I dont have expect in my machine .... the here document shud be helping .. but not working ... i will make my qn more particular ...

I tried this command where I need to give my resonses before itself may be from a file or something like that .... In this case I can avoid -n1 option for achieving this ... but wanted to know why ( < responsefile ) and here document ( << EOF as specified in previous reply thread) do not work here ...

$ ps -eaf | grep FRAUD | awk -F" " '{print $2}'| xargs -n1 -t -p kill;
kill 18919?...n
kill 14658?...n

Thanks,

SNS

Look at how xargs is used. It is already reading from stdin. The -p makes it open /dev/tty to talk with the user. That is why the here document won't work.

What you are try to do looks dangerous. So you are sure that lines 1, 4, and 6 are guaranteed to be the ones you want to kill? Well:
$ ps -eaf | grep FRAUD | awk -F" " '{print $2}' | sed -n '1p;4p;6p' | xargs kill