Case statement


 
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# 1  
Old 11-11-2010
Case statement

Hello,
The standard case statement :-
Code:
case "$1" in
"IE0263")
commands;;
"IE0264")
commands;;
esac

is it possible to have :-
Code:
case "$1" in
"IE0263" OR "IE0878")
commands;;
"IE0264")
commands;;
esac

Thanks

Last edited by vbe; 11-11-2010 at 09:20 AM.. Reason: please use code tags for code and data stuff
# 2  
Old 11-11-2010
You should insert your code properly, it would be readable a lot better. But this just as an aside. Yes, you can do as you want using the pipe char ("|"). You can even use glob characters to create "default" branches:

Code:
#! /bin/ksh

case $1 in
     a|b)
          echo "param was a or was b"
          ;;

     c)
          echo "param was c"
          ;;

     *)
          echo "param was neither a nor b nor c"
          ;;

esac
exit 0

I hope this helps.

bakunin
# 3  
Old 11-11-2010
Beware of where you put quotes in relation to the pipe (OR operator). This illustrates the issue:

Code:
case "$1" in
"IE0263|IE0878")
        echo "Version 1 : Found IE0263 OR IE0878"
        ;;
"IE0263"|"IE0878")
        echo "Version 2 : Found IE0263 OR IE0878"
        ;;
"IE0264")
        echo "Found: IE0264"
        ;;
esac


./scriptname IE0878
Version 2 : Found IE0263 OR IE0878

# 4  
Old 11-11-2010
Although inside the case statements there is is no need for quotes around $1 and you only need quotes around the case patterns if it contains special characters or spacing.
Code:
case $1 in
  IE0263|IE0878)
    echo "Found IE0263|IE0878"
  ;;
  IE0264)
    echo "Found: $1"
  ;;
esac

# 5  
Old 11-11-2010
Before esac you can also add the following code:
Code:
  *)
    echo "UNKNOWN"
  ;;

Edit - didn't see that bakunin already mentioned *) option

Last edited by cabrao; 11-11-2010 at 12:47 PM..
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