May 2000
Beginner
761 pages
18h 20m
English
Content preview from Linux Shells by Example
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3.6. grep with Options
The grep command has a number of options that control its behavior. Not all versions of UNIX support exactly the same options, so be sure to check your man pages for a complete list. The Gnu version of grep added a number of new options and alternative ways to use the options, shown in Table 3.6. The Gnu grep options work with all the different variants of grep, including grep -G, -E, and -F, as shown in Table 3.7.
| Option | What It Does |
|---|---|
| -b | Precedes each line by the block number on which it was found. This is sometimes useful in locating disk block numbers by context. |
| -c | Displays a count of matching lines rather than displaying the lines that match. |
| -h | Does not display filenames. |
| -i | Ignores the ... |
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