Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Help with grep inside an if loop
Top Forums Shell Programming and Scripting Help with grep inside an if loop Post 302512525 by LludwYMaes on Sunday 10th of April 2011 07:10:58 PM
Old 04-10-2011
search a directory by key word
Here is a basic script to search a given directory for a key word. To execute it if it was saves with the file name of test then it would be executed by typing ./test (directory path) (keyword)
of course this is after the permissions was edited by chmod 755 (filename)
Code:
#!/bin/bash

count=0
   currcount=0
   maxcountfile=0
ls $1 > directory
exec 0<directory
   while read filename
   do
      nums=$(grep -o $2 $1/"$filename" | wc -l)
      if [ $nums -gt $currcount ]
         then
         currcount=$nums
         say="File $filename has $nums occurrences of $2"         
      fi 
   done
echo $say

Last edited by Scott; 04-10-2011 at 08:16 PM.. Reason: Please use code tags
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Reading inside a loop

Hi I am trying read in side a do statement but it is not working it is just printing abc before read but not stopping in abc for user input Can anybody please help #!/usr/bin/ksh cat sample_file | while read ln_source3 do param=`echo $ln_source3 | nawk... (1 Reply)
Discussion started by: ssuresh1999
1 Replies

2. Shell Programming and Scripting

variable inside variable inside loop headache

Hi Gurus I have a file called /tmp/CMDB which looks like this serial: 0623AN1208 hostname: server1 model: x4100 assetID: 1234 I am writing a for loop that will go through this file line by line creating a variable of itself. Using the first iteration of the loop (i.e. the first line) as... (6 Replies)
Discussion started by: hcclnoodles
6 Replies

3. Shell Programming and Scripting

Using variables created sequentially in a loop while still inside of the loop [bash]

I'm trying to understand if it's possible to create a set of variables that are numbered based on another variable (using eval) in a loop, and then call on it before the loop ends. As an example I've written a script called question (The fist command is to show what is the contents of the... (2 Replies)
Discussion started by: DeCoTwc
2 Replies

4. UNIX for Dummies Questions & Answers

SED inside while loop

Hi, im having problem creating a loop using my code: aside from the fact that the 1st variable (VAR) does not increment, it loops more than the expected output. for sample purposes, test csv contains 3 lines. #get number of lines in the file lines=$( wc -l < test.csv ) ... (5 Replies)
Discussion started by: paoie
5 Replies

5. Shell Programming and Scripting

Using 'su' inside a loop

Hi, I am using su within a for loop. As you might expect, it prompts for password during each loop execution. Here is my piece of code: for i in $LIST do if then DATABASE=`echo $i | awk -F "|" '{ print $1 }'` USER_ID=`echo $i | awk -F "|" '{ print $2 }'` su - apstage -c... (1 Reply)
Discussion started by: sugan
1 Replies

6. Shell Programming and Scripting

BASH loop inside a loop question

Hi all Sorry for the basic question, but i am writing a shell script to get around a slightly flaky binary that ships with one of our servers. This particular utility randomly generates the correct information and could work first time or may work on the 12th or 100th attempt etc !.... (4 Replies)
Discussion started by: rethink
4 Replies

7. Shell Programming and Scripting

Ping inside FOR loop

Hello, I'm trying to write (my own primitive) traceroute command that would write out all IPs that packets are hoping through. :) So I've put the ping command inside a for loop #!/bin/bash domain=${1-www.google.com}; #If no argument, then do www.google.com. for ((i=1; i<=30; i++)) #... (9 Replies)
Discussion started by: courteous
9 Replies

8. Shell Programming and Scripting

If inside If loop

Hi All, Below is the very simple code snippet but it si giving me syntax error #!/bin/bash #To ensure If JMS directory exists or not ServerName=$(hostname) #To ensure If JMS directory exists or not echo $ServerName if ; then echo "Inside First If" if ; then echo 'JMS... (4 Replies)
Discussion started by: sharsour
4 Replies

9. UNIX for Dummies Questions & Answers

Write a while loop inside for loop?

I'm taking a unix class and need to countdown to 0 from whatever number the user inputs. I know how to do this with a while or until loop but using the for loop is throwing me off.... I know I can use an if-then statement in my for loop but can I include a while loop in my for loop? (3 Replies)
Discussion started by: xxhieixx
3 Replies

10. Shell Programming and Scripting

Failure: if grep "$Var" "$line" inside while read line loop

Hi everybody, I am new at Unix/Bourne shell scripting and with my youngest experiences, I will not become very old with it :o My code: #!/bin/sh set -e set -u export IFS= optl="Optl" LOCSTORCLI="/opt/lsi/storcli/storcli" ($LOCSTORCLI /c0 /vall show | grep RAID | cut -d " "... (5 Replies)
Discussion started by: Subsonic66
5 Replies

LEARN ABOUT PLAN9

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)
All times are GMT -4. The time now is 05:10 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy