Shell Programming and Scripting

Function_case() {
 
case statements.......with choices 1,2,3,4...
case1:
echo "you"
case2:
echo "me"
 
}
if ["keyword" = "keyword"]
then 
do this
else 
function_case;   #####here I want to pass 1 for my above function, so that case1 will get execute####
fi
 
if ["keyword1" = "keyword1"]
then 
do this
else 
function_case;   ####here I want to pass 2 for my above function, so that case2 will get execute#####
fi

#!/bin/ksh

# expect  Firstname Lastname as argument

fonc_display(){
case "$1" in
[A-D]*) echo "name at beginning of alphabet" ;;
[V-Z]*|N*) echo "name at the end of alphabet or starting with same letter than Norris" ;;
[0-9]*) echo "Error : expected argument is a not a number" ;;
*) echo "Middle of alphabet" ;;
esac
}

echo "$1 , we are going to check your Lastname : $2 ... "
fonc_display "$2"

[A-D]*)
[V-Z]*|N*) 
[0-9]*) *)

$ cat chk
#!/bin/ksh

# expect  Firstname Lastname as argument

fonc_display(){
case "$1" in
[A-D]*) echo "name at beginning of alphabet" ;;
[V-Z]*|N*) echo "name at the end of alphabet or starting with same letter than Norris" ;;
[0-9]*) echo "Error : expected argument is a not a number" ;;
*) echo "Middle of alphabet" ;;
esac
}

echo "$1 , we are going to check your Lastname : $2 ... "
fonc_display "$2"

$ ksh chk Chuck Norris
Chuck , we are going to check your Lastname : Norris ...
name at the end of alphabet or starting with same letter than Norris
$ ksh chk Tux Greenland
Tux , we are going to check your Lastname : Greenland ...
Middle of alphabet
$ ksh chk Amit Matur
Amit , we are going to check your Lastname : Matur ...
Middle of alphabet
$ ksh chk BadEntry 9043
BadEntry , we are going to check your Lastname : 9043 ...
Error : expected argument is a not a number
$ ksh chk Diego Zorro
Diego , we are going to check your Lastname : Zorro ...
name at the end of alphabet or starting with same letter than Norris
$

# /temp/script $$$.$$ @-@
36812$.36812 , we are going to check your Lastname : @-@ ...
Middle of alphabet

echo "$1 , we are going to check your Lastname : $2 ... "
fonc_display "$2"