/[pcre]/code/trunk/doc/pcregrep.1
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revision 519 by ph10, Fri May 21 16:43:17 2010 UTC revision 535 by ph10, Thu Jun 3 19:18:24 2010 UTC
# Line 283  are being output. If not supplied, "(sta Line 283  are being output. If not supplied, "(sta
283  short form for this option.  short form for this option.
284  .TP  .TP
285  \fB--line-buffered\fP  \fB--line-buffered\fP
286  When this option is given, input is read and processed line by line, and the  When this option is given, input is read and processed line by line, and the
287  output is flushed after each write. By default, input is read in large chunks,  output is flushed after each write. By default, input is read in large chunks,
288  unless \fBpcregrep\fP can determine that it is reading from a terminal (which  unless \fBpcregrep\fP can determine that it is reading from a terminal (which
289  is currently possible only in Unix environments). Output to terminal is  is currently possible only in Unix environments). Output to terminal is
290  normally automatically flushed by the operating system. This option can be  normally automatically flushed by the operating system. This option can be
291  useful when the input or output is attached to a pipe and you do not want  useful when the input or output is attached to a pipe and you do not want
292  \fBpcregrep\fP to buffer up large amounts of data. However, its use will affect  \fBpcregrep\fP to buffer up large amounts of data. However, its use will affect
293  performance, and the \fB-M\fP (multiline) option ceases to work.  performance, and the \fB-M\fP (multiline) option ceases to work.
294  .TP  .TP
295  \fB--line-offsets\fP  \fB--line-offsets\fP
# Line 317  that \fBpcregrep\fP buffers the input fi Line 317  that \fBpcregrep\fP buffers the input fi
317  \fBpcregrep\fP ensures that at least 8K characters or the rest of the document  \fBpcregrep\fP ensures that at least 8K characters or the rest of the document
318  (whichever is the shorter) are available for forward matching, and similarly  (whichever is the shorter) are available for forward matching, and similarly
319  the previous 8K characters (or all the previous characters, if fewer than 8K)  the previous 8K characters (or all the previous characters, if fewer than 8K)
320  are guaranteed to be available for lookbehind assertions. This option does not  are guaranteed to be available for lookbehind assertions. This option does not
321  work when input is read line by line (see \fP--line-buffered\fP.)  work when input is read line by line (see \fP--line-buffered\fP.)
322  .TP  .TP
323  \fB-N\fP \fInewline-type\fP, \fB--newline=\fP\fInewline-type\fP  \fB-N\fP \fInewline-type\fP, \fB--newline=\fP\fInewline-type\fP
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