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Shell Programming and Scripting

Assigning value to a variable

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# 1  
Old 04-29-2009
Assigning value to a variable
can we make a global variable and store character values and add other values to that variable ?? for example

a="hello, John"

and can we add value ". How are you? so
a can have

"hello, John. How are you?"


can someone help me??
# 2  
Old 04-29-2009
Code:
$ a="hello, John" a="$a. How are you?"
$ echo "$a"
hello, John. How are you?

Recent shells support even:

Code:
% a="hello, John" a+=". How are you?"
% echo "$a"                            
hello, John. How are you?

# 3  
Old 04-29-2009
To make the variable global, use export <variable name>.
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