CODEWITHSUNDEEP
linuxcsh
moadeep
moadeep

Reputation: 4108

Read user input (which should be a linux command) and execute

I wish to write a simple csh script which loops through all computers in a network and executes a command that is input at the command line

echo -n "Please enter command you would like executed on all computers > \n " set command = "$<"

say the user enters ls | grep something. How would I then execute this command in the following line? I tried $command which works fine for input such as echo "Hello World". I get the following error for ls | grep something

ls: |: No such file or directory ls: grep: No such file or directory ls: something: No such file or directory

Ideally, I would want to enter several commands at the command line before looping through each computer in the network (which I can already do) and execute. Eg say I wish to copy two different files

sudo cp ./bin/elastix /usr/bin; sudo cp ./lib/transformix /usr/lib

Thanks

Upvotes: 0

Views: 349

Answers (1)

akostadinov
akostadinov

Reputation: 18624

loops through all computers in a network and executes a command that is input at the command line

You would be perhaps using ssh so you would do something like:

ssh $hostname "$command"

I'm not a csh user so I may have the syntax wrong. For current machine you may use the eval shell command that should interpret any command sequences, not only simple commands.

Upvotes: 1

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