Command comparisons Post: 302535487

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1. Shell Programming and Scripting

Script to automate file comparisons

Hi, I need a script that loops through all the files two directories passed to it via parameter, and if two files have the same name, do a cmp comparison on the files. If the files are different, output the specifics returned by cmp. What's the best way to go about writing this, as I am a...

2. UNIX for Dummies Questions & Answers

Can grep do numerical comparisons?

Say for example I have a list of numbers.. 5 10 13 48 1 could I use grep to show only those numbers that are above 10? For various reasons I can only use grep... not awk or sed etc.

3. Shell Programming and Scripting

numeric range comparisons

I have two files.And a sort of matrix analysis. Both files have a string followed by two numbers: File 1: A 2 7 B 3 11 C 5 10 ...... File 2: X 1 10 Y 3 5 Z 5 9 What I'd like to do is for each set of numbers in the second file indicate if the first or second number (or both) in...

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Best practice for bracket comparisons?

So, I have no formal higher education in programming at all and am self taught. I am now wondering what would be considered best practices? Like should I hard code a variable, then compare it to what I want to know or achieve, or should I just put the commands with in the brackets? Example, a...

5. Shell Programming and Scripting

String comparisons

Can someone please tell me what is wrong with this stings comparison? #!/bin/sh #set -xv set -u VAR=$(ping -c 5 -w 10 google.com | grep icmp_req=5 | awk '{print $6}') echo I like cookies echo $VAR if "$VAR" == 'icmp_req=5' then echo You Rock else echo You Stink fiThis is the error....

6. UNIX for Dummies Questions & Answers

Date comparisons

Hi, I want to perform a simple date comparisons, i.e. select all files modified after a certain date (say 12-feb-2011) I do not have the option of creating a file and using find's -newer option. Any simple way to do this? I can do this by reading the stat command's output and comparing...

7. UNIX for Dummies Questions & Answers

File and if statement comparisons

I'd love to get help on this one please. Ok so say I have a file called README with lines such as this: index:index.html required:file1.1:file2.1:file3.1 I'm having trouble with writing an if statement that compares the items in a list with a file inside README, what I imagine in my head...

8. Shell Programming and Scripting

Pair wise comparisons

Hi, I have 25 groups and I need to perform all possible pairwise compariosns between them using the formula n(n-1)/2. SO in my case it will be 25(25-1)/2 which is equal to 300 comparisons. my 25 groups are FG1 FG2 FG3 FG4 FG5 NT5E CD44 CD44 CD44 AXL ADAM19 CCDC80 L1CAM L1CAM CD44...

9. Shell Programming and Scripting

File comparisons

Hi all, I want to compare two files based on column value Kindly help me a.txt 123,ABCD 456,DEF 789,SDF b.txt 123,KJI 456,LMN 321,MJK 678,KOL Output file should be like Common on both files c.txt 123,ABCD,KJI

10. Shell Programming and Scripting

String regex comparisons

Here is the sample code: str1="abccccc" str2="abc?" if ]; then echo "same string" else echo "different string" fi Given that ? implies 0 or 1 match of preceding character, I was expecting the output to be "different string", but I am seeing "same string". Am I not using the...

LEARN ABOUT DEBIAN

lbreakout2server

LBREAKOUT2SERVER(6)						   Games Manual 					       LBREAKOUT2SERVER(6)

NAME

       lbreakout2server - lbreakout2 multi-player server

SYNOPSIS

       lbreakout2server

DESCRIPTION

       This  manual  page  briefly  documents  the  lbreakout2server  command.	This manual page was written for the Debian GNU/Linux distribution
       because the original program does not have a manual page.
       Further documentation is available in /usr/share/doc/lbreakout2.
       lbreakout2 is a game written in the style of the games Breakout and xboing.  This server allows two or more players to  play  against  each
       other.

OPTIONS

       -p <port>
	      the port the server will run on (default is 2002).

       -l <limit>
	      maximum number of users that may connect to the server (default is 30).

       -m <message>
	      this message is displayed to welcome a user.

       -a <password>
	      a user that logs in with this name will become administrator named admin (default is no admin).

       -f <framerate>
	      the number of calls to the send/recv handler per second. The default is 33.

SEE ALSO

       /usr/share/doc/lbreakout2/index.html

AUTHOR

       This manual page was written by Colin Tuckley <colint@debian.org>, for the Debian GNU/Linux system (but may be used by others).

								 December 18, 2009					       LBREAKOUT2SERVER(6)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Script to automate file comparisons

Discussion started by: herman404

2. UNIX for Dummies Questions & Answers

Can grep do numerical comparisons?

Discussion started by: Uss_Defiant

3. Shell Programming and Scripting

numeric range comparisons

Discussion started by: dcfargo

4. Shell Programming and Scripting

Best practice for bracket comparisons?

Discussion started by: tlarkin