Besonderhede van voorbeeld: 4989519345620359961

English

Under Unix, sed is often used as a filter in a pipeline: generateData | sed 's/x/y/g' That is, a program such as "generateData" generates data, and then sed makes the small change of replacing x with y.

Chinese

在Unix下,sed通常用作管道中的过滤器: generateData | sed 's/x/y/g' 也就是说,诸如“generateData”之类的程序生成数据,然后用sed把x替换成y。