Break a file into smaller pieces with same search string Post: 303023866

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Top Forums Shell Programming and Scripting Break a file into smaller pieces with same search string Post 303023866 by Don Cragun on Tuesday 25th of September 2018 04:23:01 AM

09-25-2018

Registered User

I am extremely disappointed that after observing us helping other users for more than 2.5 years and helping you with two other problems, you are unwilling to clearly show us what output(s) you're trying to produce, to show us what you have tried, and to show us the output(s) that your attempt(s) have produced.

If I am correctly interpreting your request to be to copy lines from a file named input.xml into a file named output.ranx.xml with all sequences of lines in your input file starting with a line containing the string <expression> up to and including a line containing the string </expression> deleted, you could try something like:

Code:

sed '/<expression>/,/<\/expression>/d' input.xml > output.ranx.xml

which with your given sample input would create a file named output.ranx.xml containing the text:

Code:

......................
.......................
.......................

When I first read your post #1, I had guessed that you wanted to create multiple output files with each of those output files containing one matched set of lines starting with a line containing the string <expression> and ending with the string </expression> but since you have specified that there is to only be one output file, that obviously can't be what you're trying to do. And re-reading your first post, I also see that this would not delete the matched lines as requested, so that can't be what you want.

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LEARN ABOUT DEBIAN

vk_logmerge

VK_LOGMERGE(1)						      General Commands Manual						    VK_LOGMERGE(1)

NAME

       vk_logmerge - a Valgrind XML log file merger

SYNOPSIS

       vk_logmerge [flags and input files in any order]

DESCRIPTION

       vk_logmerge is a valkyrie(1) helper. Given multiple log files (in xml format) generated by multiple runs on a parallel machine, or multiple
       log files generated by sequential runs on a single-processor machine, for the same binary, vk_logmerge merges the log files together,  sum-
       ming  the  counts of duplicates, and outputs the result to a single file. As input, vk_logmerge expects the log-files to-be-merged and/or a
       file containing the list of log-files to-be-merged, with each entry on a separate line.

       Log files can be merged from within valkyrie(1) , or use can invoke vk_logmerge directly.

OPTIONS

       -h     Show help message

       -v     Be verbose (more -v's give more)

       -t     Output plain text (non-xml)

       -f <log_list>
	      Obtain input files from <log_list> file (one per line)

       -o <writefile>
	      File to write output to

       At least 1 input file must be given.

       If no '-o outfile' is given, writes to standard output.

EXAMPLES

       vk_logmerge log1.xml -f loglist.fls -o merged.xml

SEE ALSO

       valkyrie(1), valgrind(1).

AUTHOR

       vk_logmerge was written by Donna Robinson, Cerion Armour-Brown and others.

       This manual page was written by Hai Zaar <haizaar@haizaar.com>, for the Debian project (but may be used by others).

								    2009-05-02							    VK_LOGMERGE(1)