hi,
i want to increment a Variable but it doesnt work.
here my codé
COUNT=1
COUNT= 'expr $COUNT + 1'
i've tried it in the prompt but it print me:
expr: syntaxerror
What does I make wrong? (4 Replies)
Hi,
I want to write a perl script, which will increment number stored in file. I want to do this without any file handles. I think we have to use some UNIX commands. I am not sure how to do this with file handles.
Thanks, (1 Reply)
Hi All,
I have a variable n that stores a number.
Eg. echo $n comes out to be 120.
I need to print 121 using echo command on n.
Please advice.
Thanks in advance !! (4 Replies)
Hello There,
I have been trying to increment the value of variable to 1, 2, 3 etc. but, it displays
1
1+1
1+1+1
.....
:wall:
Could anyone help out with this?
for i in *.*
do
s=`expr $s+1`
echo $s
j=$i$j
mv $i $j
done
Any help is appreciated? (24 Replies)
Hi there everyone!
This is my first post so be gentle.
I have a small bash script that is extracting 3 line every 3 lines. I got the AWK part but i cant do the loop part.
#!/bin/bash
export line=`awk 'END { print NR }' btnew`
echo $line
for i in {1..$line..3} #increment
do
echo... (2 Replies)
Hi All,
I am new to this forum and a novice at shell script. I am trying to write a script to determine each of the NIC configured on a linux system and its speed and Duplex. I came up with the following piece of code:
echo `ifconfig -a | grep eth > /home/a/nic.txt`
i=`awk -F, '{print... (4 Replies)
Hi All,
I have a file which has hundred of records with fixed number of fields. In each record there is set of 8 characters which represent the duration of that activity. I want to sum up the duration present in all the records for a report. The problem is the duration changes per record so I... (5 Replies)
hey guys,
I need to incerement the date variable for instance
echo `date '+%F %H:%M:00'`
this produces
2014-08-02 20:05:00
-I will grant this to : $Datehour and need to assign 1 hr from now to $Datelasthour
-the script time will be used to talk to DB system information.
however... (4 Replies)
Hi,
I have parameter file wo_location.prm which has a date variable $last_upd_date= 02032016.
I need to write a unix shell script to find that variable and increment it by 1 day.
The path to the file is root/dir_lc/shared/param/wo_location.prm and the variable is $last_upd_date.
Any... (2 Replies)
Discussion started by: isenhiem
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