Alternative solution to nested loops in shell programming Post: 302955782

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Grepping within nested for loops

Good morning - I have publication lists from 34 different faculty members. I need to end up with the numbers of publications in common across all 34 faculty. I need to grep person1 (last name) in list2, person1 in list3, person1 in list 4, etc., then person2 in list3, person 2 in list4, etc.,...

2. Shell Programming and Scripting

nested for loops

I need help getting over this bump on how nested for loops work in shell. Say i was comparing files in a directory in any other language my for loop would look like so for(int i=0;to then end; i++) for(int y = i+1; to the end; y++) I can't seem to understand how i can translate that...

3. Shell Programming and Scripting

Korn Shell programming (FTP, LOOPS, GREP)

Hello All, I have another Korn shell question. I am writing a script that will ftp a file from my production database to my test database. To this, I have to construct a loop that checks a specified folder for a file. If the file exists, I want it execute the ftp protocol and then exit. ...

4. Shell Programming and Scripting

Nested while loops (ksh scripting)

You can use one while inside another? I made the following script (without really knowing if I can use two while) to get 3 numbers different from each other at random: num1=$(( $RANDOM % 10 )) num2=$num1 while do num2=$(( $RANDOM % 10 )) done num3=$num1 while do while do...

5. Shell Programming and Scripting

KSH nested loops?

KSH isn't my strong suit but it's what my company has to offer. I've got a script with two nested loops, a FOR and UNTIL, and that works fine. When I add a CASE into the mix I end up getting "Unexpected 'done' at line xx" errors. Any suggestions on this? for divi in at ce ci cm co de di fl...

6. UNIX for Dummies Questions & Answers

Faster than nested while read loops?

Hi experts, I just want to know if there is a better solution to my nested while read loops below: while read line; do while read line2; do while read line3; do echo "$line $line2 $line3" done < file3.txt done < file2.txt done < file1.txt >...

7. Shell Programming and Scripting

Nested for loops

Greetings All, The following script attempts to enumerate all users in all groups in the group file(GROUP) and echo the following information: GROUP ---> USER The script is as follows: IFS="," for GROUP in `ypcat -k group | cut -d" " -f1` do for USER in `ypcat -k group...

8. UNIX for Dummies Questions & Answers

Executing nested loops+foreach

It's been a while since I used csh formatting and I am having a little bit of trouble with a few things. Things seem so much easier to execute in Matlab, however I need to do this on the terminal because of the programs I am trying to interact with. So here's what I want to do: I have a file...

9. Shell Programming and Scripting

two while nested loops

for server in $(echo `cat /tmp/ScanHosts_${USERSNAME}.TXT`) do for portnumber in $(echo `cat /tmp/ScanPorts_${USERSNAME}.TXT`) do #echo ${server} ${portnumber} ...

LEARN ABOUT CENTOS

opgprof

OPGPROF(1)						      General Commands Manual							OPGPROF(1)

NAME

       opgprof - produce gprof-format profile data

SYNOPSIS

       opgprof [ options ] [profile specification]

DESCRIPTION

       opgprof	outputs  gprof-format  profile	data  for a given binary image, from an OProfile session. See oprofile(1) for how to write profile
       specifications.

OPTIONS

       --help / -? / --usage
	      Show help message.

       --version / -v
	      Show version.

       --verbose / -V [options]
	      Give verbose debugging output.

       --session-dir=dir_path
	      Use sample database out of directory dir_path instead of the default location (/var/lib/oprofile).

       --image-path / -p [paths]
	      Comma-separated list of additional paths to search for binaries.	This is needed to find modules in kernels 2.6 and upwards.

       --root / -R [path]
	      A path to a filesystem to search for additional binaries.

       --threshold / -t [percentage]
	      Only output data for symbols that have more than the given percentage of total samples.

       --output-filename / -o [file]
	      Output to the given file instead of the default, gmon.out

ENVIRONMENT

       No special environment variables are recognised by opgprof.

FILES

       /var/lib/oprofile/samples/
	      The location of the generated sample files.

VERSION

       This man page is current for oprofile-0.9.9.

SEE ALSO

       /usr/share/doc/oprofile/, oprofile(1)

4th Berkeley Distribution					 Tue 10 June 2014							OPGPROF(1)