If you do this sort of thing often, you probably want to create a small shell script to automate this process just in case you have problems typing the Perl substitution command in the second line.

如果您经常做这类事情，可能想要创建一个小的shell脚本来自动化这一过程，以防在第二行键入替代的Perl命令时出问题。

youdao

In this case, since the program really does have to run in a shell anyway, it even sort of makes sense to do it this way.

这种情况下，由于该程序实际上不必在shell中运行，所以这样做比较合理。

youdao

Now appears a sort of plastic expansion shell bolt, which has strong expansion anchor-hold.

为了解决这一问题，出现了一种具有强胀锚力的塑料胀壳式锚杆。

youdao

The system also has more or less the same book-inspired shape as Lenovo's U-series Ultrabooks, meaning when the notebook is closed, the top and bottom edges protrude ever so slightly beyond the sides, sort of like a hardcover shell cradling a spine full of pages.

ENGADGET: blogger-avatar

The design is simple: it's just a plastic shell with a shutter button, a dial for controlling shutter speed and a hand grip -- the sort you'd normally find on a compact camera.

ENGADGET: Hands-on with Snappgrip, a case that turns your phone into a point-and-shoot