diff options
Diffstat (limited to 'bin/ed/ed.1')
| -rw-r--r-- | bin/ed/ed.1 | 62 |
1 files changed, 34 insertions, 28 deletions
diff --git a/bin/ed/ed.1 b/bin/ed/ed.1 index f8e154cb1bf..e9b283c138e 100644 --- a/bin/ed/ed.1 +++ b/bin/ed/ed.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ed.1,v 1.25 2000/04/23 21:42:40 aaron Exp $ +.\" $OpenBSD: ed.1,v 1.26 2000/10/06 02:14:13 aaron Exp $ .\" .Dd May 2, 1993 .Dt ED 1 @@ -15,8 +15,7 @@ .Sh DESCRIPTION .Nm is a line-oriented text editor. -It is used to create, display, modify and otherwise manipulate text -files. +It is used to create, display, modify and otherwise manipulate text files. If invoked with a .Ar file argument, then a copy of @@ -268,19 +267,16 @@ g/string/ .Pp prints all lines containing .Em string . -Regular expressions are also -used by the +Regular expressions are also used by the .Em s command for selecting old text to be replaced with new. .Pp In addition to a specifying string literals, regular expressions can -represent -classes of strings. -Strings thus represented are said to be matched -by the corresponding regular expression. -If it is possible for a regular expression -to match several strings in a line, then the leftmost longest match is -the one selected. +represent classes of strings. +Strings thus represented are said to be matched by the +corresponding regular expression. +If it is possible for a regular expression to match several strings in +a line, then the leftmost longest match is the one selected. .Pp The following symbols are used in constructing regular expressions: .Bl -tag -width Dsasdfsd @@ -417,7 +413,12 @@ the string .Em bbb Ns No ), since a null match is the only leftmost match. -.It Em \e{n,m\e} \e{n,\e} \e{n\e} +.Sm off +.It Xo Em \e{ No n,m +.Em \e}\ \e{ No n, Em \e}\ +.Em \e{ No n Em \e} +.Xc +.Sm on Matches the single character regular expression or subexpression immediately preceding it at least .Em n @@ -443,8 +444,7 @@ All .Nm commands are single characters, though some require additional parameters. If a command's parameters extend over several lines, then -each line except for the last -must be terminated with a backslash +each line except for the last must be terminated with a backslash .Pq Ql \e . .Pp In general, at most one command is allowed per line. @@ -462,7 +462,7 @@ and returning the editor to command mode. recognizes the following commands. The commands are shown together with the default address or address range supplied if none is -specified (in parenthesis), and other possible arguments on the right. +specified (in parentheses), and other possible arguments on the right. .Bl -tag -width Dxxs .It (.) Ns Em a Appends text to the buffer after the addressed line. @@ -516,7 +516,7 @@ Sets the default filename to If .Em file is not specified, then the default unescaped filename is printed. -.It (1,$) Ns Em g/re/command-list +.It (1,$) Ns Em g Ns No /re/command-list Applies .Em command-list to each of the addressed lines matching a regular expression @@ -546,7 +546,7 @@ A newline alone in is equivalent to a .Em p command. -.It (1,$) Ns Em G/re/ +.It (1,$) Ns Em G Ns No /re/ Interactively edits the addressed lines matching a regular expression .Em re Ns No . For each matching line, @@ -662,11 +662,13 @@ the standard output of command below). The default filename is unchanged. The current address is set to the last line read. -.It (.,.) Ns Em s Ns No /re/replacement/ -.It (.,.) Ns Em s Ns No /re/replacement/ Ns Em g -.It (.,.) Ns Em s Ns No /re/replacement/ Ns Em n -Replaces text in the addressed lines -matching a regular expression +.Sm off +.It Xo (.,.) Em s No /re/replacement/ , \ (.,.) +.Em s No /re/replacement/ Em g , No \ (.,.) +.Em s No /re/replacement/ Em n +.Xc +.Sm on +Replaces text in the addressed lines matching a regular expression .Em re with .Em replacement Ns No . @@ -720,7 +722,7 @@ Newlines may be embedded in .Em replacement if they are escaped with a backslash .Pq Ql \e . -.It Em (.,.) Ns Em s +.It (.,.) Ns Em s Repeats the last substitution. This form of the .Em s @@ -865,7 +867,7 @@ The current line is unchanged. .It Pa /tmp/ed.* buffer file .It Pa ed.hup -file to which +where .Nm attempts to write the buffer if the terminal hangs up .El @@ -878,9 +880,13 @@ attempts to write the buffer if the terminal hangs up .Pp USD:12-13 .Pp -B. W. Kernighan and P. J. Plauger, -.Em Software Tools in Pascal Ns No , -Addison-Wesley, 1981. +.Rs +.%A B. W. Kernighan +.%A P. J. Plauger +.%B Software Tools in Pascal +.%O Addison-Wesley +.%D 1981 +.Re .Sh LIMITATIONS .Nm processes |