Picking script options in bash Post: 303044265

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Passing options to a bash script

I'm just not sure where to start looking into this. I want to be able to create switches for my script. Back in the day I'd make my scripts interactive...you know: echo "what report do you want" echo "A)boxes with errors" echo "B)boxes with more than 5 errors" echo "C)Service groups that have...

2. Shell Programming and Scripting

Picking high and low variables in a bash script - possible?

Is it possible to have a bash script pick the highest and lowest values of four variables? I've been googling for this but haven't come up with anything. I have a script that assigns variables ($c0, $c1, $c2, and $c3) based on the coretemps from grep/sed statements of sensors. I'd like to also...

3. Shell Programming and Scripting

bash script to compile multiple .c files with some options

I'm trying to write a bash script and call it "compile" such that running it allows me to compile multiple files with the options "-help," "-backup," and "-clean". I've got the code for the options written, i just can't figure out how to read the input string and then translate that into option...

4. Homework & Coursework Questions

how to create new options of "dd command" using bash script?

Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted! 1. The problem statement, all variables and given/known data: Creating bash script the dd command and its new options (-l -U) -l options to lowercase contents of file -U...

5. UNIX for Advanced & Expert Users

how to add new options in bash script

what i want to be is that i would like to reinvent new options that have the same functionality as ... -u is the same functionality of conv=ucase and -l have the same functionality as conv=lcase... is there a way that i can put these in my script so that whenever i will typed in command...

6. Shell Programming and Scripting

Reading command line options from bash script

I have the following code and I am calling it using ./raytrac.bash -u and getting problems. For some reason opt_usage is still 0. opt_usage=0 iarg=0 narg=$# while (($iarg < $narg)) do (( iarg = $iarg + 1 )) arg=$argv usrInputFlag=`echo $arg | awk '/=/ {print 1}; ! /=/...

7. Shell Programming and Scripting

Bash shell script not working-picking segment patterns from a file

Hi All, I have to pick particular segments from a file and I have prepared below shell script.But its not working and I am not able to find out whats the issue.could you guys pls help? Sample file: TS3*1451575*12*20151231*4*482.44 NM1*QC*1*CUTLER*BETTY DTM*472*20150808...

8. Shell Programming and Scripting

Running options in bash script

Hello UNIX & Linux Forums community! Long time Linux daily user hobbyist, new to shell scripting.... I'm working on a script that does all the "work" in one script, and makes calls to a second script to display info to the user via mostly expanding variables in heredocs. I'm contemplating...

9. Shell Programming and Scripting

Bash: Picking up filenames then moving to next directory

I have a collection of directories, for example as below I want to create a loop that goes in the first directory and picks up the *hhz*.sac.pzs filename in a variable, and the other files matching *hhz*.sac in another variable (however I do not want to pick the *hhz*.sac.pzs). This is because...

LEARN ABOUT LINUX

update-bootloader

UPDATE-BOOTLOADER(1)                                    User Contributed Perl Documentation                                   UPDATE-BOOTLOADER(1)

NAME

       update-bootloader - update/change bootloader configuration using
           Bootloader::Tools perl module

SYNOPSIS

       update-bootloader [operation] [options]

       operation is one of --add, --remove or --refresh.

       valid options are --help, --man, --image <file>, --initrd <file>, --xen-kernel <file>, --xen, --default, --previous, --name <string>,
       --force, --force-default.

DESCRIPTION

       update-bootloader will let you modify your bootloader configuration using Bootloader::Tools perl module.

OPERATIONS

       --add   add an new image section.  Needs a call to --refresh to take effect.

       --remove
               remove the specified image section.  Needs a call to --refresh to take effect.

       --refresh
               activate the new config e.g. write boot loader to disk

PARAMETER

       --help  Print a brief help message and exits.

       --man   Prints the manual page and exits.

       --image file
               specify path to kernel image

       --initrd file
               specify path to initrd file

       --xen   specify that you what to add a xen and not a regular image section

       --xen-kernel file
               specify that you what to add a xen section with a specific image.  Implies --xen option.

       --default
               let the new section to be added be the default section if appropriate. Only allowed together with --add operation

       --previous
               set some usuable defaults for image, initrd and name when

       --name string
               specify the name of the section to be added/removed

       --force dont complain, just do the right thing

       --force-default
               force the new section to be added to be the default section. Only allowed together with --add operation

perl v5.12.1                                                        2010-04-22                                                UPDATE-BOOTLOADER(1)