Optimizing for a Speed-up Post: 302070833

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2. UNIX and Linux Applications

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Hi All, My first thread to this sub-forum and first thread of this sub-forum :) Here it is, Am trying to delete duplicates from a table retaining just 1 duplicate value out of the duplicate records for example : from n records of a table out of which x are duplicates, I want to remove x...

3. OS X (Apple)

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data from blktrace: read speed V.S. write speed

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any way the following code can be optimized? FIRSTIN=$( HKIPP=$(echo ${TMFR} | egrep -v "mo|MO|Mo" | egrep "m |M ") HRAMH=$(echo ${TMFR} | egrep "h|H") HRAMD=$(echo ${TMFR} | egrep "d|D") HRAMW=$(echo ${TMFR} | egrep "w|W") HKIPPO=$(echo ${TMFR} |...

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LEARN ABOUT LINUX

zegrep

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)