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Thread: requesting csplit help




requesting csplit help
user name
2006-10-22 21:21:15
Dear Gnu.Utils,

I have some large files of the form shown below between
"======" lines.
 Internal blank lines occur in there that I would like to
use as a
csplit delimiter.  However, I cannot figure out what to use
for that
purpose.

The text blocks above and below the blank lines can be
dozens to
hundreds of consecutive text lines, and there are hundreds
of
intervening blank lines per file.

The blank lines are the result of pre-processing by a Perl
script.  The
script removes all but the remaining text lines by executing
substitution via "s/matching_expression//;" and
then creating the files
with "print if ! /^$/../^$/;".

========
ASCII text
ASCII text

ASCII text
ASCII text

ASCII text
ASCII text

ASCII text
ASCII text

========

I would like to get in the output files that consist of the
blocks of
text.

If csplit (via GnuWin32) isn't the best route for this, I'll
try
another way, but if csplit will work it will be preferred
for now.
Among the things I've tried:
n
r
rn
nr
[:blank:]

For example, if I use this on the example above

> csplit sample.out /[:space:]/ {*}

I get the following (between "++++++") in output
files xx01, xx03,
xx05, xx07

++++++
ASCII text
++++++

and the following in output files xx02, xx04, xx06, xx08

++++++
ASCII text

++++++

If I use "blank" or any of the other tried
expressions in place of
"space", I get a an output file identical to the
input file.

Gerald

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