How to use grep in a loop using a bash script? Post: 302976351

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

loop does not execute in bash script?

I have a very basic bash shell script, which has many "while... done; for .... done" loop clauses, like the following ~~ #!/bin/bash while blablalba; do .... done < /tmp/file for line in `cat blablabla`; do grep $line /tmp/raw ; done > /tmp/1; while blablalba2; do .... done <...

2. Shell Programming and Scripting

error in bash script 'if' loop

SEND_MESSAGE=test echo $SEND_MESSAGE if then echo `date` > update_dt_ccaps.lst echo "The file transfer failed" >> update_dt_ccaps.lst SEND_MESSAGE=false fi The above code is showing error in bash shell as : ./test: line 5: [: test: integer expression expected ...

3. Shell Programming and Scripting

Getting error on for loop - bash script

Hi, I am working on bash script after a long time. I am getting error near done statement while running a for loop snippet. The error says "Syntax error near unexpcted token 'done'" please suggest what could be wrong. here is the snippet elements=${#option_arr} //an array of values...

4. Shell Programming and Scripting

(BASH) Using a loop variable to grep something in a file?

Hi, I have a loop running until a variable L that is read previously in the full script. I'd like to grep some information in an input file at a line that contains the value of the loop parameter $i. I've tried to use grep, but the problem is nothing is written in the FILE files. It seems grep...

5. UNIX for Dummies Questions & Answers

Problem with multiple grep in bash loop

Hello, I am trying to create a matrix of 0's and 1's depending on whether a gene and sample name are found in the same line in a file called results.txt. An example of the results.txt file is (tab-delimited): Sample1 Gene1 ## Gene2 ## Sample2 Gene2 ## Gene 4 ## Sample3 Gene3 ...

6. Shell Programming and Scripting

Expect script called in loop from Bash Script

Having issues with an expect script. I've been scripting bash, python, etc... for a couple years now, but just started to try and use Expect. Trying to create a script that takes in some arguments, and then for now, just runs a pwd command(for testing, final will be command I pass). Here is...

7. Shell Programming and Scripting

Bash script - loop question

Hi Folks, I have a loop that goes through an array and the output is funky. sample: array=( 19.239.211.30 ) for i in "${array}" do echo $i iperf -c $i -P 10 -x CSV -f b -t 50 | awk 'END{print '$i',$6}' >> $file done Output: 19.239.211.30 19.2390.2110.3 8746886 seems that when...

8. Shell Programming and Scripting

While loop with input in a bash script

I have the following while loop that I put in a script, demo.sh: while read rna; do aawork=$(echo "${rna}" | sed -n -e 's/$...$\1 /gp' | sed -f rna.sed) echo "$aawork" | sed 's/ //g' echo "$aawork" | tr ' ' '\012' | sort | sed '/^$/d' | uniq -c | sed 's/*$*$ $.*$/\2: \...

9. UNIX for Beginners Questions & Answers

Help with date in bash script for loop from YYYYMMDDHHMM

Hi everyone I need some help I want to create an script which does some processing it takes the two arguments 201901010000 and 201901020200 - so YYYMMDDHHMM I want to split processing into hours from start until end, I dont get why this works but when I add to a future variable...

10. UNIX for Beginners Questions & Answers

Help with a bash loop script

Create a single bash script that does the following: a. Print out the number of occurrences for each motif that is found in the bacterial genome and output to a file called motif_count.txt b. Create a fasta file for each motif (so 3 in total) which contains all of the genes and their...

LEARN ABOUT DEBIAN

dpkg-www

DPKG-WWW(1)						      General Commands Manual						       DPKG-WWW(1)

NAME

       dpkg-www - program to remotely open a WWW Debian package browser

SYNOPSIS

       dpkg-www [-s|--stdout] [-h|--host host] [query]

DESCRIPTION

       dpkg-www is used to remotely control a WEB browser and open a dpkg URL on the local host from an interactive shell or script.

       If  the	command  is invoked while running under X-window the script will try to find an installed X browser to open the specified URL.	If
       not running under X it will try to use a text browser instead.

       If Netscape is found and a Netscape instance is already running it will be asked to open the dpkg URL on localhost with the optional  query
       supplied on the command line.  If there is no browser running, it will start automatically a new one.

       The  functionality  provided  by this program is identical to running a web browser with the -remote openURL(http://localhost/cgi-bin/dpkg)
       argument or opening the same URL from within the browser.

       dpkg-www-installer is an helper application which can configured in the WWW browser for	web  installation.  It	should	never  be  invoked
       directly by the user.

OPTIONS

       -s, --stdout
	      Redirect output to stdout. Requires one of the text browsers (lynx, lynx-ssl or links) installed.

       -h, --host host
	      Send the query to a remote host, where dpkg-www must be installed.

       query  Specifies  an  optional  package name, an absolute pathname or a query argument which is passed to the dpkg cgi-bin. See dpkg-www(8)
	      for more information about the use of the cgi.

FILES

       /etc/dpkg-www.conf

       ~/.dpkg-www
	      Configuration files for dpkg-www. It is not necessary for these files to exist, there are sensible defaults for everything, but  you
	      can specify your preferred www browser with the DPKG_WWW_BROWSER variable, for example: DPKG_WWW_BROWSER=mozilla

EXAMPLES

       dpkg-www
	      This would open a dpkg URL on localhost listing all the installed packages.

       dpkg-www bash
	      This would open a dpkg URL asking info on the bash package.

       dpkg-www -h pisolo bash
	      This would open a dpkg URL asking info on the bash package on host pisolo.

       dpkg-www 'dpkg*'
	      This would open a dpkg URL listing all packages matching dpkg*.

       dpkg-www /bin/bash
	      This would open a dpkg URL asking info on the package(s) owning the file /bin/bash .

       dpkg-www depends=svgalib
	      This would open a dpkg URL listing all packages depending on svgalib.

       dpkg-www --stdout depends=awk | grep ^ii
	      This would list on stdout all packages depending on awk and grep all lines of installed packages.

SEE ALSO

       dpkg(8), dpkg-www(8)

AUTHOR

       Massimo Dal Zotto <dz@debian.org>.
       Bugs should be reported via the normal Debian bug reporting system.

LICENCE

       dpkg-www is licensed under the GNU General Public License version 2.

								 September 1, 2004						       DPKG-WWW(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

loop does not execute in bash script?

Discussion started by: fedora

2. Shell Programming and Scripting

error in bash script 'if' loop

Discussion started by: DILEEP410

3. Shell Programming and Scripting

Getting error on for loop - bash script

Discussion started by: arundhati_s

4. Shell Programming and Scripting

(BASH) Using a loop variable to grep something in a file?

Discussion started by: DMini