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Full Discussion: Parse for 2 numbers in large single line
Top Forums Shell Programming and Scripting Parse for 2 numbers in large single line Post 303022170 by hburnswell on Sunday 26th of August 2018 06:32:40 PM
Old 08-26-2018
RudiC thank you for that suggestion of: 'grep -Eo'... It allowed me to get it working with:

Code:
synced_flush () {

        $curl -s -u ${creds} -X POST "localhost:9200/_flush/synced" | \
        grep -Eo "shards[^}]*failed\":[0-9]*" | \
        sed -e 's/.*://'

}

Code:
until [[ $(synced_flush) == "0" ]]

        do

                synced_flush

        done

This appears to be doing the trick. If there is something really wrong with this approach please let me know. Like most of the scripts I write, they start off 'working' and I improve the efficiency with time ;-) ...

Thanks again scrutinizer, Don Cragun, and RudiC.. Much appreciated.

HB
 

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LEARN ABOUT PHP

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)
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