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Shell Programming and Scripting

Substr of variable

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# 1  
Old 11-28-2003
Substr of variable
Dear All,

I am new to Unix and need your help. I am trying to write b-shell script which will return substr of some variable like this

d="asdfg"

return Substr(d,1,5).

Please help
# 2  
Old 11-28-2003
Awk has a substr function, eg...

$ d="ajsh ajsg"
$ echo $d|awk '{print substr($0,2,5)}'
jsh a
# 3  
Old 12-01-2003
Thanls for the answer.
how can I assign the returned value to other varriable.
like s=$ echo $d|awk '{print substr($0,2,5)}'
# 4  
Old 12-01-2003
typeset -xL5 s=$(echo $d|awk '{print substr($0,2,5)}')
# 5  
Old 12-01-2003
or else you can use expr substr command
e.g. `expr substr $var 1 2`
# 6  
Old 12-01-2003
var=`ur command`

Run any command in the back quotes. the return value of this command will be assigned to the variable var.

Regards
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