寒假【perl語言學習腳本】13.1 13.2 13.3 13.4 13.5 13.6 13.7 13.8

#!/usr/bin/perl -w print 「which directory?(Default is your home directory)」; chomp(my d i r = < S T D I N > ) ; i f ( dir=<STDIN>); if( dir=<STDIN>);if(dir=~/\A\s*\Z/){#空白行 chdir or die 「c

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