Can't grep multiple strings Post: 302733567

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Efficient way to grep multiple strings

I have a script which searches a huge log file for the existence of a specified string and if the string is not present i receive an alert mail. Here's an extract: STRING=$(grep 'warning' logfile | tail -1 | wc -l) if (( ${STRING} > 0 )); then print -- "---- Warning etc....

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Grep Multiple Strings

Hi, Can any one pelase tell me how to grep multiple strings from multiple files in a singel folder? grep -E "string1|string2|string3|string4|string..." its taking lots of time.. can any please tell me fast grep??? URGENT

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grep command to find multiple strings in multiple lines in a file.

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Grep multiple strings in multiple files using single command

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Grep multiple strings in multiple files

Hi, every one! I have a file with multiple strings. file1 ATQRGNE ASQGVKFTE ASSQYRDRGGLET SPEQGARSDE ASSRDFTDT ASSYSGGYE ASSYTRLWNTGE ASQGHNTD PSLGGGNQPQH SLDRDSYNEQF I want to grep each string in hundreds of files in the same directory, further, I want to find out the string...

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Whether we can search multiple strings using or in grep -F

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Grep multiple strings in a file

Consider i have the below data in my log file. i want to grep using "Monday" and "Working" So the only output i expect is Can you help me with the grep query for Sun Sparc ? Usage: grep -hblcnsviw pattern file . . .

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Grep for text between twp strings for multiple occurances.

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service

service(8)						      System Manager's Manual							service(8)

NAME

       service - run a System V init script

SYNOPSIS

       service SCRIPT COMMAND [OPTIONS]

       service --status-all

       service --help | -h | --version

DESCRIPTION

       service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working
       directory set to /.

       The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT.  The  supported  values  of  COMMAND  depend  on  the
       invoked	script,  service  passes  COMMAND and OPTIONS it to the init script unmodified.  All scripts should support at least the start and
       stop commands.  As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the  start
       command.

       service --status-all runs all init scripts, in alphabetical order, with the status command.

       If the init script file does not exist, the script tries to use legacy actions.	If there is no suitable legacy action found and COMMAND is
       one of actions specified in LSB Core Specification, input is redirected to the systemctl.  Otherwise the command fails with return code 2.

FILES

       /etc/init.d
	      The directory containing System V init scripts.

ENVIRONMENT

       LANG, TERM
	      The only environment variables passed to the init scripts.

SEE ALSO

       chkconfig(8), ntsysv(8), systemd(1), systemctl(8), systemd.service(5)

								     Jan 2006								service(8)