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This book has saved my bacon　　（2005-05-23）
I am here to tell you that on more than one occasion this book has saved my bacon. Several times in different environments I needed to use sed to correct data in flat files. Once I used sed to change the format and numbers when we wanted to match accounting numbers to a different system. I haven't used that much awk. However there has been occasion to transfer awk programs from one Unix to a different Unix flavor. I found that the regular awk in this book was newer than the newawk in the other system. I Still keep the book handy incase I get squeezed for time and have to manipulate files. However I am learning more and more to appreciate PERL on those occasions.

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sedまたはawk使い必携　　（2002-11-13）
sedまたはawkの初心者から上級者まで広い範囲の利用者に勧められる本です。初心者は前半の章を読めば全体像がつかめます。上級者には後半の章がより詳しい解説になっているので参考書としても役立つでしょう。