This is the code:
while test 1 -eq 1
do
read a
$a
if test $a = stop
then
break
fi
done
I read a command on every loop an execute it.
I check if the string equals the word stop to end the loop,but it say that I gave too many arguments to test.
For example echo hello.
Now the... (1 Reply)
Hey,
I'm currently getting into some kernel module progamming. As a little exercise I want to read the headers out of an ELF file. My code is very simple, here is the important part:
struct file *fp;
/* ... */
fp = filp_open("some/file/on/my/pc", O_RDONLY, 0);
if(fp == NULL) {
... (15 Replies)
Experts,
I have a bash shell script that generates 2 variables that have the current minute and a minute from a log file. Can someone please show me the best way to test if the minutes stray by 5. So basically if:
This is ok:
Last Fitting Min
=============
02
Current Minute
=============... (2 Replies)
Hello, Unix-forums!
My problem:
read -p "Enter any number, please" number
sleep 1
echo $number | tr -d 0-9
test -z $number && echo "Thank you" || echo "This is not a number"Test always displays "This is not a number". It doesn't matter if I entered a or 1.
But if I order
echo... (2 Replies)
Can you explain what this line of script is doing.
What I have understood is :
-- variable C is the name of a software which is either not installed, so it must be installed or allready installed and then should be update if newer version found
-- branch B="$B $C" is to install the software
--... (4 Replies)
hi,
i am trying to run this script.the name of script is final.sh
after i run it:
#./final.sh &
i grep the command
# ps -a | grep bash
and i see more then one processes runing 3!!
Please use code tags
how can i solve this problem?
my target script must always run in... (8 Replies)
I have checked the man page ,which says :
The -H (HOME) option sets the HOME environment variable to the homedir of
the target user (root by default) as specified in passwd(5). By default,
sudo does not modify HOME
But I have tried below command:
#... (1 Reply)
Hi all,
I am looking for a quick/short way in awk to check if an associative array has any content.
I know I can split() it to an indexed array and check if the 1st element is set, or cycle through it with something like for( ele in arr ), but I want to avoid that, as I am looking for a shorter... (3 Replies)
I have came across a few websites stating some custom actions for Thunar -
crunchbang
ubuntu
I tried inputting the stated commands to Thunar, but it doesn't display at all in mine.
I tried "gksu thunar %f" ( Opens current folder with root permissions.) , but when I right click in a... (0 Replies)
Hi ! :)
I made this :
#!/bin/bash
rsa_dir="/etc/openvpn/easy-rsa/"
rsa_key_dir="/etc/openvpn/easy-rsa/keys/"
ccd_dir="/etc/openvpn/ccd/"
regex_special_char=''
cd $rsa_dir
while
read -p "Please can you enter the vpn's username : " username
] || ] || ] || ]
do
echo "Your entry... (10 Replies)
Discussion started by: Arnaudh78
10 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)