Syntax Help | unix | grep | regular expression

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

grep : regular expression

guys, my requirment goes like this: I have a file, and wish to filter out records where 1. The first letter is o or O and 2. The next 4 following letter should not be ther I do not wish to use pipe and wish to do it in one shot. The best expression I came up with is: grep ^*...

2. UNIX for Advanced & Expert Users

regarding grep regular expression

When i do ls -ld RT_BP* i am getting the following list. drwxrwx--- 2 user group 256 Oct 17 10:09 RT_BP809 drwxrwx--- 2user group 256 Oct 17 10:09 RT_BP809.O drwxrwx--- 2 user group 256 Oct 17 10:09 RT_BP810 drwxrwx--- 2user group 256 Oct...

3. Shell Programming and Scripting

grep with regular expression

Hi, guys. I have one question, hope somebody can give me a hand I have a file called passwd, the contents of it arebelow: *********************** ... goldsimj:x:5008:200: goldsij2:x:5009:200: whitej:x:5010:201: brownj:x:5011:202: goldsij3:x:5012:204: greyp:x:5013:203: ......

4. Shell Programming and Scripting

grep regular expression

please can someone tell me what the following regrex means grep "^aa*$" <file> I thought this would match any word beginning with aa and ending with $, but it doesnt. Thanks in advance Calypso

5. UNIX for Dummies Questions & Answers

Help | unix | grep | regular expression

I have the following code: ls -al /bin | tr -s ' ' | grep 'x' ls -al: Lists all the files in a given director such as /bin tr -s ' ': removes additional spaces between characters so that there is only one space grep 'x': match all "x" characters that are followed by a whitespace. I was...

6. UNIX for Dummies Questions & Answers

Help | Unix | grep | regular expression | backreference | Syntax/Logic

Hello, I'm working on learning regular expressions and what I can do with them. I'm using unix to and its programs to experiment and learn what my limitations are with them. I'm working on duplicating the regular expression: ^(.*)(\r?\n\1)+$ This is supposed to delete duplicate lines...

7. Shell Programming and Scripting

grep and regular expression

Hi, I am executing a svnlook command to check to see if the following line exists. I need a regular expression to represent the line. A /test/test1/qa/test2/index.html A /test/test1/qa/test3/test.jpg A /test/test1/qa/test3/test1.jpg A /test/test1/qa/test4/test.swf I just need to extract...

8. Programming

Perl: How to read from a file, do regular expression and then replace the found regular expression

Hi all, How am I read a file, find the match regular expression and overwrite to the same files. open DESTINATION_FILE, "<tmptravl.dat" or die "tmptravl.dat"; open NEW_DESTINATION_FILE, ">new_tmptravl.dat" or die "new_tmptravl.dat"; while (<DESTINATION_FILE>) { # print...

9. Shell Programming and Scripting

Help with awk script (syntax error in regular expression)

I've found this script which seems very promising to solve my issue: To search and replace many different database passwords in many different (.php, .pl, .cgi, etc.) files across my filesystem. The passwords may or may not be contained within quotes, single quotes, etc. #!/bin/bash...

10. UNIX for Beginners Questions & Answers

Grep regular expression

I want to track only below: I am using below, but it doesn't work:

LEARN ABOUT DEBIAN

skymon

SKYMON(1)																 SKYMON(1)

NAME

       skymon - "moncmd" interface to a SkyTel 2-way pager

DESCRIPTION

       skymon This is a "moncmd" interface to a SkyTel 2-way pager.

       It  utilizes  procmail filters and password authentication to do its trick.  I would not call this a "secure" authentication mechanism, but
       in Marcus Ranum-speak it is "really nice". Use at your own risk.

       It would be even more "really nice" if this did SecureID or S/Key.

       Also keep in mind that all queries and all results pass through the Great Wide Internet to get back to your pager.

OPERATION

       Commands are sent via email with the following format:

       /password:command

       Commands are the following, and can only be used if they exist in the "allow" file:

       eh     Enable host

       es     Enable service

       ew     Enable watch

       dh host reason
	      Disable host

       ds watch service reason
	      Disable service

       dw watch reason
	      Disable watch

       lf     List failures

       ld     List disabled

       The idea behind the brevity is that it's a pain to compose messages on that silly little keypad.

SEE ALSO

       mon(8), moncmd(1), monshow(1)

AUTHOR

       skymon was written by Jim Trocki, <trockij@transmeta.com>

       This manual page was written by Dario Minnucci <midget@debian.org>, for the Debian project (but may be used by others).

Dario Minnucci <;midget@debian.org>				 February 12, 2007							 SKYMON(1)