HP-UX Reference (11i v2 07/12) - 1 User Commands A-M (vol 1)

grep(1) grep(1)

Ken 112 Warring St. Apt. A

Judy 387 Bowditch Apt. 12

Ann 429 Sixth St.

the command:

grep Judy address

prints:

Judy 387 Bowditch Apt. 12

To search a ﬁle for lines that contain either a

Dec or Nov, use either of the following commands:

grep -E ’[Dd]ec|[Nn]ov’

ﬁle

egrep -i ’dec|nov’ ﬁle

Search all ﬁles in the current directory for the string

xyz:

grep xyz *

Search all ﬁles in the current directory subtree for the string

xyz, and ensure that no error occurs due to

ﬁle name expansion exceeding system argument list limits:

find . -type f -print |xargs grep xyz

The previous example does not print the name of ﬁles where string xyz appears. To force

grep to print

ﬁle names, add a second argument to the

grep command portion of the command line:

find . -type f -print |xargs grep xyz /dev/null

In this form, the ﬁrst ﬁle name is that produced by find, and the second ﬁle name is the null ﬁle.

WARNINGS

(XPG4 only.) If the

-q option is speciﬁed, the exit status will be zero if an input line is selected, even if an

error was detected. Otherwise, default actions will be performed.

If the -w option is speciﬁed with non-word constituent characters, then the output is unexpected.