version 1.40, 2014/05/26 15:33:17 |
version 1.41, 2014/05/26 17:08:58 |
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.Bl -tag -width Ds |
.Bl -tag -width Ds |
.It Fl a |
.It Fl a |
The files listed as parameters for the |
The files listed as parameters for the |
.Ql w |
.Ic w |
functions are created (or truncated) before any processing begins, |
function or flag are created (or truncated) before any processing begins, |
by default. |
by default. |
The |
The |
.Fl a |
.Fl a |
option causes |
option causes |
.Nm |
.Nm |
to delay opening each file until a command containing the related |
to delay opening each file until a command containing the related |
.Ql w |
.Ic w |
function is applied to a line of input. |
function or flag is applied to a line of input. |
.It Fl E |
.It Fl E |
Interpret regular expressions using POSIX extended regular expression syntax. |
Interpret regular expressions using POSIX extended regular expression syntax. |
The default behaviour is to use POSIX basic regular expression syntax. |
The default behaviour is to use POSIX basic regular expression syntax. |
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The synopses below indicate which arguments have to be separated from |
The synopses below indicate which arguments have to be separated from |
the function letters by whitespace characters. |
the function letters by whitespace characters. |
.Pp |
.Pp |
Two or more functions form a |
Functions can be combined to form a |
.Em function list . |
.Em function list , |
This is a list of |
a list of |
.Nm |
.Nm |
functions separated by newlines, as follows: |
functions separated by newlines, as follows: |
.Bd -literal -offset indent |
.Bd -literal -offset indent |