I understand how to use a variable in a sed command, but for the life of me I can't get the output into a variable.
I'm making a general function to replace part of a filename with a different string, so:
>>myscript this that
would change:
this_file001.txt to that_file001.txt and... (11 Replies)
i'm on a Mac running BSD unix.
i have a script in which i ask the user to input the name of a mounted volume. i then call SED to substitute backslashes and spaces in place of the spaces. that looks like this:
echo "Enter the name of the volume"
read Volume
echo "You've chosen \"$Volume\""... (7 Replies)
Hi All,
Hope someone can advise here as I have been struggling to find a syntax that works here. I have tried a stack of combination I have seed in the forums but I think because I have needed to use "" and `` in the statments another method is found.
I am reading in lines with the following... (1 Reply)
Hi,
If I want my script to send a mail to multiple recipients I can do the following:
if
then
echo $err_string1 | mailx -s "UAT CPU ALERT" 1@email.com
echo $err_string1 | mailx -s "UAT CPU ALERT" 2@email.com
fi
Can this also be done something like:
... (1 Reply)
I want to append matched output and cat the results into an variable. but I've been running into problems. sed is printing result on to screen instead of appending the output to $CAPTURE. I'm stumped...how should i fix this?
contents of $TEST
10.0.0.1
10.0.0.2
10.0.0.3
10.0.0.4
expected... (5 Replies)
Hi,
I'm new here so I want to say hello to everyone first!
I searched google and this forum for a similar problem, but wasn't successful
#! /bin/bash
I'm trying to output (echo) n lines of a text file to the screen (later into another file).
But I have problem with the sed command, it won't... (1 Reply)
Hi,
I have a problem with passing a echo output into a variable in bash
file='1990.tar'
NAME='echo $file | cut -d '.' -f1';
echo $NAME
the result is
echo $file | cut -d . -f1
however with this one,#!/bin/bash
file='1990.tar'
echo $file | cut -d '.' -f1
the result is what I... (2 Replies)
I am trying to import a sqlplus output into a shell variable but it doesnt seem to be working.
set -x
export DEPENDENT_CR_NO=`sqlplus -s /nolog <<EOF
conn username/passwd
set heading off
select dependency from custom_patches where patch_name='PATCH.zip';
exit;
EOF`
echo $DEPENDENT_CR_NO
... (2 Replies)
Hi, I have the following command that parses an xml file to read a node <port>'s value. Hoever the output comes with spaces.
My requirement is to trim the spaces around the value and assign to a variable.
sed -n 's|<port>\(.*\)</port>|\1|p' ../cfg.xml
How do I go about it? (6 Replies)
Stumped with the formatting of the awk output when used with variables, e.g.:
awk -F, 'BEGIN {OFS=","} print {$2,$3,$4}' $infile1
produces the desired output (with rows), but when echoing the variable below, the output is one continuous line
var1=$(awk -F, 'BEGIN {OFS=","} print... (4 Replies)
Discussion started by: ux4me
4 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)