GET THE HANG [ -a option ] $ 4.1.5 1 387—> vim cond-a.sh $ 4.1.5 2 388—> sh cond-a.sh cond-a.sh: 3: Syntax error: end of file unexpected (expecting “then”) $ 4.1.5 3 389—> vim cond-a.sh $ 4.1.5 4 390—> sh cond-a.sh cond-a.sh: 4: Syntax error: end of file unexpected (expecting “fi”) $ 4.1.5 5 391—> …