摘要：
要把下面文件的内容改了， Program name: graniteAuthor: Gilbert BatesCompany: RockSoftDepartment: R&DPhone: +1 503 555-0095Date: Tues March 9, 2004Version: 2.1Size: 阅读全文
摘要：
vi. To input the ^M character, press Ctrl-v , and then press Enter or return . In vim, use :set ff=unix to convert to Unix; use :set ff=dos to convert 阅读全文
摘要：
89 open FILE, "< file_4_ex_ch7.txt" 90 or die "cannot open file: $!"; 91 my $lines = join '', <FILE>; 92 print $lines."\n"; 93 $lines =~ s/^/file_4_ex 阅读全文
摘要：
Perl：只是把“^”作为匹配的单字：只是匹配每一行的开头 $lines =~ s/^/file_4_ex_ch7.txt: /gm; 阅读全文