Posted by a reviewer on Amazon

Just to give you an example the first time i ever used these programs sed and awk i developed a cron script to query a database every day at midnight sort the results grabbed lines with tagged values within certain limits added a few totals did some averaging starred the lines that departed from certain parameters then formatted the results into a report with a header showing the dates times and query results statistics then packed them into a report file and emailed them to a dozen recipients and added a few recipients if the data was outside certain values

Posted by a reviewer on Amazon

This vb guy from corporate worked on a vb version of the same function and ended up with six revisions several megs in the executable and never was able to get it formatted right

Posted by a reviewer on Amazon

You real nerds will hardly get finished with a single box of pop tarts before you are writing really cool scripts when using this book

Posted by a reviewer on Amazon

When i was done i got up and went to my computer and within 10 minutes i wrote a script that in 11 lines and 50 characters took the place of a java program i had made to do the same task that was 120 lines and 740 characters

Posted by a reviewer on Amazon

You need not remember intricacies of sed and awk commands

Posted by a reviewer on Amazon

The unix command line pipeline remains one of the seminal concepts of computer science

Posted by a reviewer on Amazon

Since pattern matching is such an important part of their use the book explains unix regular expression syntax very thoroughly

Posted by a reviewer on Amazon

It can also function as a reference manual that you come back to after you learn the mechanics of the language