简短的perl程序 /usr/bin/perl my $cmd=$ARGV[0]; my $func = eval "sub{while(){chomp;$cmd;}}"; die "unable to compile...process_each_line.pl 会生成一个函数 sub{while (){chomp; print if /pl$/;}}(第3行),然后再调用这个函数(最后一行)。
Chomp(s) Parameters s - Maple string Description • TheChomp(s)command returns a copy of input stringswith the line endings removed (if any). Note:This function is similar to thePerlfunction of the same name. • Compare with the related procedureStringTools[Chop]. ...
A newline is " \n", " \r", or " \r\n". NOTE: This method changed in 2.0. It now more closely matches Perl chomp. StringUtils.chomp(null) = null StringUtils.chomp("") = "" StringUtils.chomp("abc \r") = "abc " StringUtils.chomp("abc\n") = "abc" StringUtils.chomp("...
Chomp(s) Parameters s - Maple string Description • TheChomp(s)command returns a copy of input stringswith the line endings removed (if any). Note:This function is similar to thePerlfunction of the same name. • Compare with the related procedureStringTools[Chop]. ...