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  1. a="Dev-0-1"
  2. echo $a
  3. test ${a:0:1} = D || echo 'test fail 1'
  4. ###################
  5. a="SOMETHING ELSE"
  6. echo $a
  7. test ${a:0:1} = D || echo 'test fail 2'
  8.  
Success #stdin #stdout 0.02s 5268KB
stdin
Standard input is empty
stdout
Dev-0-1
SOMETHING ELSE
test fail 2