then or else in an if construct cannot have empty 'body'.
If you still want to have either a then or an else as stubs with nothing in them, follow this paradigm:
I have a file driven menu using the select feature in ksh. I like doing it this way, however I would prefer running a bash. Is there some eqivalent way of doing this in a bash shell?
ie
select file in *.ascii
do
typeset -u REPLY
if ; then... (1 Reply)
Is there any way to implement a drop down menu selection in bash?
This is on CDLinux which is a very minimal live CD and I am using it to install an image onto a hard drive. Part of that process is the timezone selection. There are just too many timezones to attempt to use the "select" command.... (1 Reply)
I am attempting to insert multiple lines of text into a specific place in a text file based on the lines above or below it.
For example, Here is a portion of a zone file.
IN NS ns1.domain.tld.
IN NS ns2.domain.tld.
IN ... (2 Replies)
I have a huge matrix file which looks like this (example matrix):
1 2 3 5
4 5 6 7
7 6 8 9
1 2 4 2
7 6 5 1
3 2 1 9
As one can see, this matrix has 4 columns and 6 rows. But my original matrix has some 3 million rows and 6000 columns.
For example, on this matrix I can define my task as... (2 Replies)
I've a file in linux with following text:
;ip address hostname put-location alt-put-location tftpserver
192.168.1.1 r01-lab1-net /mnt/nas1/fgbu/ /opt/fgbu/devicebackup 192.168.1.254Now I want to read these values and assign them to particular variables... (6 Replies)
hi,
i've bash script thats working...
but now i need to add a line....that prompts for user input....like yes and 1 as complete install....
so here's how it looks...
$ cd 9200 (cd into directory)
$./install (hv to type ./install to run install then ask for)
----do you want to... (4 Replies)
I am using bash to prompt a user for a choice using: where a "y" response opens a menu with available panels that can be used.
while true; do
read -p "Do you want to get coverage of a specific panel?" yn
case $yn in
* ) menu; break;;
* ) exit;;
* ) echo... (6 Replies)
I am trying to select a file in bash and save it to a directory. The below does run but no selected file is saved. Thank you :).
bash
# select file
printf "please select a file to analyze with entered gene or genes \n"
select file in $(cd... (4 Replies)
In the below portion of a bash script the user selects a file from a directory.
select file in $(cd /home/cmccabe/Desktop/NGS/API/5-14-2016/bedtools;ls);do break;done
files in directory
123_base_counts.txt
456_base_counts.txt
789_base_counts.txt
second portion of bash currently (user... (4 Replies)
Hi everyone,
I have a situation in which I have multiple (3 at last count) date columns in a CSV file (, delim), which need to be changed from:
January 1 2017 (note, no comma after day)
to:
YYYY-MM-DD
So far, I am able to convert a date using:
date --date="January 12, 1990" +%Y-%m-%d
... (7 Replies)
Discussion started by: richardsantink
7 Replies
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)