Dear Freinds

I am new to unix shell scripting. Please help to know, Whether unix shell scripting has user function or not. Like C functions. That is

<return value> <function name> [parameters...]
{


}

If its there then how to do. Pleae give me example for that.

another question

. I wanted to search a multiple strings in a file and i wanted to replace that string to new one.

ex: i wanted to find wills,sujay, deba and this has to change wills=WILLS, sujay=SUJAY, deba=DEBA

This has to be done in sinlge command.

Please help me to know.

thank you

Simple:

Code:

myfunction()
{
##code ##
# $1 = parameter 1, $2 = parameter 2,..etc...
echo "par1=$1, par2=$2"
return 1 # return code 1-127
}
# to call function:
myfunction par1 par2

Thank you for your kind help