寒假【perl語言學習腳本】16.1 16.2 16.3 16.4

#!/usr/bin/perl -w chdir ‘/home/zhangjingjing’ or die 「can’t chdir to /home/zhangjingjing directory: ! " ; e x e c ′ l s ′ , ′ − l ′ o r d i e " c a n ′ t e x e c l s : !"; exec 'l

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