If I did indeed grep something out of it, why woudln't $result show nothing?
When I do $? , it does show success...
What is the proper syntax so that $result shows actual thing it's grepping out?
result=`(ssh $host tail -1 /something/somethingelse) | egrep -i "value" >dev/null`
#echo... (3 Replies)
Hi,
have a basic query.
Please see the below code:
list="one two three"
for var in $list ; do
echo $var
list="nolist"
Done
Wht if I want to print only first/ last line in the list
Eg one & three
Regards
er_ashu (3 Replies)
I have a script problem that I am not able to solve due my very limited understanding of unix/awk.
This is the contents of test.sh
awk '{print $1}'
From the prompt if I enter:
./test.sh Hello World
I would expect to see "Hello" but all I get is a blank line. Only then if I enter "Hello... (2 Replies)
sorry for being dumb here, but is there a way my for loop can take an entire line of a file into consideration instead of each word in a line... ill explain
if i have a file like this
# cat list
serial: 23124
hostname: server1
and a script that does this
# cat list.sh
#!/bin/sh
... (6 Replies)
I'm trying to approach a problem but all I'm coming up with are complex ways to manipulate the data. But still not getting the desired outcome.
directory of files....
file-100-foo
file-100-man
file-100-chu
Need to copy the files and increment the number in the file name
... (4 Replies)
Hi,
I have a text file with data in that I wish to extract, assign to a variable and process through a loop.
Kind of the process that I am after:
1: Grep the text file for the values.
Currently using:
cat /root/test.txt | grep TESTING= | awk -F"=" '{ a = $2 } {print a}' | sort -u
... (0 Replies)
Hi,
I have a loop like this -
while read item
do
// fire insert query
done < itemList.txt
The itemList.txt has say, 1000 records. Now what I do is that rhough another program, I make the itemList.txt EMPTY, but still the INSERT query keeps firing the sequence of records.
... (18 Replies)
hey guys
I would really appreciate some help, i need to do a project for a job that requires minimal UNIX scripting and im REALLY stuck
basically Im stuck at what i believe is something really simple but i just dont have a clue how to do it efficiently and properly and i REALLY appreciate some... (16 Replies)
Hello all! I am very new to shell and Linux in general (I just started 2 days ago), I am trying to write a script that adds the size of the directories and files in a given directory and displays messages if the user puts in something wrong. I think I have covered all the possible problems except... (3 Replies)
I have two shell scripts in the different directories listed below,
/root/dev/dir1/test.sh
/root/dev/dir2/master.sh
I am executing the master.sh script from the test.sh like below and getting 'Permission denied' error.
#! /bin/sh
#test.sh
path='/root/dev'
$path/dir2/master.sh
But it... (2 Replies)
Discussion started by: vel4ever
2 Replies
LEARN ABOUT DEBIAN
colors
COLORS(3) libbash colors Library Manual COLORS(3)NAME
colors -- libbash library for setting tty colors.
SYNOPSIS
colorSet <color>
colorReset
colorPrint [<indent>] <color> <text>
colorPrintN [<indent>] <color> <text>
DESCRIPTION
General
colors is a collection of functions that make it very easy to put colored text on tty.
The function list:
colorSet Sets the color of the prints to the tty to COLOR
colorReset Resets current tty color back to normal
colorPrint Prints TEXT in the color COLOR indented by INDENT (without adding a newline)
colorPrintN The same as colorPrint, but trailing newline is added
Detailed interface description follows.
Available colors:
Green
Red
Yellow
White
The color parameter is non-case-sensitive (i.e. RED, red, ReD, and all the other forms are valid and are the same as Red).
FUNCTIONS DESCRIPTIONS
colorSet <color>
Sets the current printing color to color.
colorReset
Resets current tty color back to normal.
colorPrint [<indent>] <color>
Prints text using the color color indented by indent (without adding a newline).
Parameters:
<indent>
The column to move to before start printing. This parameter is optional. If ommitted - start output from current cursor position.
<color>
The color to use.
<color>
The text to print.
colorPrintN [<indent>] <color>
The same as colorPrint, except a trailing newline is added.
EXAMPLES
Printing a green 'Hello World' with a newline:
Using colorSet:
$ colorSet green
$ echo 'Hello World'
$ colorReset
Using colorPrint:
$ colorPrint 'Hello World'; echo
Using colorPrintN:
$ colorPrintN 'Hello World'
AUTHORS
Hai Zaar <haizaar@haizaar.com>
Gil Ran <gil@ran4.net>
SEE ALSO ldbash(1), libbash(1)Linux Epoch Linux