摘要：
perl uses special variable for a number of purpose.default value for function and loopserror codes and messagesinformation about the system and its enviromentover 70 special variables full list in perl documentation page "perlvar"$_ Default input$1, $2, $3, etc Pattern results$! ... 阅读全文
posted @ 2012-02-26 11:36
韩英武
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