Student needs grep command help Post: 303007970

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Homework and Emergencies Homework & Coursework Questions Student needs grep command help Post 303007970 by Don Cragun on Friday 24th of November 2017 06:06:48 AM

11-24-2017

Registered User

Quote:

Originally Posted by jetoutant

this worked

Code:

grep 3\.[5-9] smallFile | grep ECE

thanks for all the help it is much appreciated

now that I have been up about 20 trying to figure this out I can get some sleep now that I figure the 6 out next is shell script to be done when I wake up

Does that work if you use a BRE similar to that to look for a GPA greater than or equal to 3.00 and less than 3.50?

P.S.: How do you know the two digits and the decimal point you are matching are in the GPA field and not in the last field of your data?

Last edited by Don Cragun; 12-03-2017 at 12:53 AM.. Reason: Add postscript.

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LEARN ABOUT POSIX

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)