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8858 /usr/bin/grep doesn't support -E option
4580 /usr/bin/grep can't handle multibyte characters
8929 8868 tests are not delivered with system/test/utiltest
8860 Example in grep(1) is incorrect
Reviewed by: Peter Tribble <peter.tribble@gmail.com>
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Yuri Pankov <yuripv@gmx.com>

@@ -4,28 +4,19 @@
 
 NAME
        egrep - search a file for a pattern using full regular expressions
 
 SYNOPSIS
-       /usr/bin/egrep [-bcHhilnqsv] -e pattern_list [file...]
-
-
-       /usr/bin/egrep [-bcHhilnqsv] -f file [file...]
-
-
-       /usr/bin/egrep [-bcHhilnqsv] pattern [file...]
-
-
-       /usr/xpg4/bin/egrep [-bcHhilnqsvx] -e pattern_list [-f file]
+       /usr/bin/egrep [-bcHhilnqsvx] -e pattern_list [-f file]
             [file...]
 
 
-       /usr/xpg4/bin/egrep [-bcHhilnqsvx] [-e pattern_list] -f file
+       /usr/bin/egrep [-bcHhilnqsvx] [-e pattern_list] -f file
             [file...]
 
 
-       /usr/xpg4/bin/egrep [-bcHhilnqsvx] pattern [file...]
+       /usr/bin/egrep [-bcHhilnqsvx] pattern [file...]
 
 
 DESCRIPTION
        The egrep (expression grep) utility searches files for a pattern of
        characters and prints all lines that contain that pattern. egrep uses

@@ -37,26 +28,12 @@
 
        If no files are specified, egrep assumes standard input. Normally, each
        line found is copied to the standard output. The file name is printed
        before each line found if there is more than one input file.
 
-   /usr/bin/egrep
-       The /usr/bin/egrep utility accepts full regular expressions as
-       described on the regexp(5) manual page, except for \( and \), \( and
-       \), \{ and \}, \< and \>, and \n, and with the addition of:
-
-           1.     A full regular expression followed by + that matches one or
-                  more occurrences of the full regular expression.
-
-           2.     A full regular expression followed by ? that matches 0 or 1
-                  occurrences of the full regular expression.
-
-           3.     Full regular expressions separated by | or by a NEWLINE that
-                  match strings that are matched by any of the expressions.
-
-           4.     A full regular expression that can be enclosed in
-                  parentheses ()for grouping.
+       The egrep utility accepts the same form of full regular expressions as
+       grep(1) -E option.
 
 
        Be careful using the characters $, *, [, ^, |, (, ), and \ in full
        regular expression, because they are also meaningful to the shell. It
        is safest to enclose the entire full regular expression in single

@@ -64,82 +41,69 @@
 
 
        The order of precedence of operators is [], then *?+, then
        concatenation, then | and NEWLINE.
 
-   /usr/xpg4/bin/egrep
-       The /usr/xpg4/bin/egrep utility uses the regular expressions described
-       in the EXTENDED REGULAR EXPRESSIONS section of the regex(5) manual
-       page.
-
 OPTIONS
-       The following options are supported for both /usr/bin/egrep and
-       /usr/xpg4/bin/egrep:
+       The following options are supported:
 
        -b
-                          Precede each line by the block number on which it
-                          was found. This can be useful in locating block
-                          numbers by context (first block is 0).
+             Precede each line by the block number on which it was found. This
+             can be useful in locating block numbers by context (first block
+             is 0).
 
 
        -c
-                          Print only a count of the lines that contain the
-                          pattern.
+             Print only a count of the lines that contain the pattern.
 
 
        -e pattern_list
-                          Search for a pattern_list (full regular expression
-                          that begins with a -).
+             Search for a pattern_list (full regular expression that begins
+             with a -).
 
 
        -f file
                           Take the list of full regular expressions from file.
 
 
        -H
-                          Precedes each line by the name of the file
-                          containing the matching line.
+             Precedes each line by the name of the file containing the
+             matching line.
 
 
        -h
-                          Suppress printing of filenames when searching
-                          multiple files.
+             Suppress printing of filenames when searching multiple files.
 
 
        -i
-                          Ignore upper/lower case distinction during
-                          comparisons.
+             Ignore upper/lower case distinction during comparisons.
 
 
        -l
-                          Print the names of files with matching lines once,
-                          separated by NEWLINEs. Does not repeat the names of
-                          files when the pattern is found more than once.
+             Print the names of files with matching lines once, separated by
+             NEWLINEs. Does not repeat the names of files when the pattern is
+             found more than once.
 
 
        -n
-                          Precede each line by its line number in the file
-                          (first line is 1).
+             Precede each line by its line number in the file (first line is
+             1).
 
 
        -q
-                          Quiet. Does not write anything to the standard
-                          output, regardless of matching lines. Exits with
-                          zero status if an input line is selected.
+             Quiet. Does not write anything to the standard output, regardless
+             of matching lines. Exits with zero status if an input line is
+             selected.
 
 
        -s
                           Legacy equivalent of -q.
 
 
        -v
-                          Print all lines except those that contain the
-                          pattern.
-
+             Print all lines except those that contain the pattern.
 
-   /usr/xpg4/bin/egrep
-       The following options are supported for /usr/xpg4/bin/egrep only:
 
        -x
              Consider only input lines that use all characters in the line to
              match an entire fixed string or regular expression to be matching
              lines.

@@ -150,21 +114,14 @@
 
        file
                A path name of a file to be searched for the patterns. If no
                file operands are specified, the standard input is used.
 
-
-   /usr/bin/egrep
        pattern
-                  Specify a pattern to be used during the search for input.
-
-
-   /usr/xpg4/bin/egrep
-       pattern
-                  Specify one or more patterns to be used during the search
-                  for input. This operand is treated as if it were specified
-                  as -epattern_list..
+               Specify one or more patterns to be used during the search for
+               input. This operand is treated as if it were specified as
+               -epattern_list.
 
 
 USAGE
        See largefile(5) for the description of the behavior of egrep when
        encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).

@@ -191,19 +148,11 @@
 
 
 ATTRIBUTES
        See attributes(5) for descriptions of the following attributes:
 
-   /usr/bin/egrep
-
-       +---------------+-----------------+
-       |ATTRIBUTE TYPE | ATTRIBUTE VALUE |
-       +---------------+-----------------+
-       |CSI            | Not Enabled     |
-       +---------------+-----------------+
 
-   /usr/xpg4/bin/egrep
 
        +---------------+-----------------+
        |ATTRIBUTE TYPE | ATTRIBUTE VALUE |
        +---------------+-----------------+
        |CSI            | Enabled         |

@@ -219,12 +168,15 @@
        offs.
 
 
        Lines are limited only by the size of the available virtual memory.
 
-   /usr/xpg4/bin/egrep
-       The /usr/xpg4/bin/egrep utility is identical to /usr/xpg4/bin/grep -E.
-       See grep(1). Portable applications should use /usr/xpg4/bin/grep -E.
+       The /usr/bin/egrep utility is identical to /usr/bin/grep -E. See
+       grep(1). Portable applications should use /usr/bin/grep -E.
+
+       In the past the behavior of /usr/xpg4/bin/egrep and /usr/bin/egrep
+       utilities was different. Now /usr/bin/egrep is replaced by
+       /usr/xpg4/bin/egrep.
 
 
 
-                                  May 3, 2013                         EGREP(1)
+                               November 28, 2017                      EGREP(1)