Egrep manual

 · Egrep manual page. grep searches the named input FILEs (or standard input if no files are named, or the file name -is given) for lines containing a match to the given www.doorway.ru default, grep prints the matching lines. In addition, two variant programs egrep and fgrep are www.doorway.ru is the same as grep www.doorway.ru is the same as grep. The egrep (expression grep) utility searches files for a pattern of characters and prints all lines that contain that pattern. egrep uses full regular expressions (expressions that have string values that use the full set of alphanumeric and special characters) to match the patterns.  · Grep searches the named input FILE s (or standard input if no files are named, or the file name - is given) for lines containing a match to the given PATTERN. By default, grep prints the matching lines. In addition, two variant programs egrep and fgrep are available. Egrep is the same as grep -E. Fgrep is the same as grep -F.

The egrep (expression grep) utility searches files for a pattern of characters and prints all lines that contain that pattern. egrep uses full regular expressions (expressions that have string values that use the full set of alphanumeric and special characters) to match the patterns. It uses a fast deterministic algorithm that sometimes needs exponential space. The egrep command belongs to the family of the grep command which is used for pattern searching in Linux. If you have used the grep command, egrep works the same as grep -E (grep Extended regex’) does. Egrep scans a specific file, line to line, and prints the line(s) that contain the search string/regular expression. The options to egrep are as follows: c. Print a count of the lines that matched the pattern, instead of the lines themselves. -e pattern. Use pattern as the regexp to match. The purpose of the -e option is to allow patterns that start with a ‘ - ’. -i. Ignore case distinctions in both the pattern and the input data.

egrep --version (return code: 0). grep (GNU grep) Copyright (C) Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later