Please explain the stmt

srilaxmi · #1 (**permalink**) 03-09-2009

hi,

Please explain the below stmt.

P=1234
var1=:/a/b/c/file.dat

printf "%s %s\n" "$" "${var1#?}"

Output is:
1234 /a/b/c/file.dat

What is #? in printf stmt? by using that the first character( : ) of "var1" variable is not displayed in output. How is that? please explain..

Thanks,
Sri

zaxxon · #2 (**permalink**) 03-09-2009

It is called "Parameter Expansion". Maybe this helps you
Shell Parameter Expansion

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