filtering input from read command Post: 302538901

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Hi, 'read' command is not working inside the while loop, How can I solve this? Rgds, Sharif.

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Hi All, I wish to automate the unix command 'su' through a shell script. I would like to pass the content of a file as password to 'su' command. My script is as below, #! /bin/sh su userA while read line do rpm -ivh $line done < pwd.txt where pwd.txt contains the password of...

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I need to write a bourne shell script (solaris 10) that accepts input from the user. The input will be a command- any command like ls/ pwd/ mv etc. After the input is read, the shell must execute the command supplied by the user. I know we use read to play with user inputs. Just not sure how to...

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Hi everyone, i have made a very simple script where it reads the user input and converts the number from celcius to faranheit but instead of running the command and prompting the user for input I want to be able to simply enter a number at the end of the command to run the script. ex. instead of...

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Hello, I want to use the read command in order to input a keyword from the keyboard. I then want to use this keyword in a grep command. How to I input a phrase as a keyword? For example if I use read keyword "today is" and then use grep, I get "No such file or directory" error.

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Team , I am trying to write a case condition for database backups.But I am unable to make the script to read input from command line . while true ;do read -p "Do You Wish To Take Database Backup ?? " yn case $yn in *) echo " YES take backup ";; *) echo " NO BACKUP " ;; ...

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Filtering output from given input

Hi All, I have a input file as below. Input file may contain more hostlists. sample Input file $ cat hostlist.lst cs18-db1-1-sjl cs22-db1-1-was na88-db1-1-chi na21-db1-2-was I want the output like below format. Pls help. Thanks ! Output format: ...

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Shell read command is not waiting for user input

Hi, i am working on one automation , for that i have writing one shell program that take user input in "while read line" block. but read command is taking value that is readed by While block. while read line; do command 1; command 2 echo -n "Do you want to continute > " read rsp...

LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       The  full  documentation  for grub-render-label is maintained as a Texinfo manual.  If the info and grub-render-label programs are properly
       installed at your site, the command

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

read command (input) inside the while loop

Discussion started by: sharif

2. Shell Programming and Scripting

How can I send the input of a read line command through a shell script

Discussion started by: little_wonder

3. Shell Programming and Scripting

Solaris- Read command from user input

Discussion started by: PDManc

4. Shell Programming and Scripting

Read input while executing the command

Discussion started by: subway69