Increment of a variable Post: 302376780

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increment a Variable

hi, i want to increment a Variable but it doesnt work. here my cod� COUNT=1 COUNT= 'expr $COUNT + 1' i've tried it in the prompt but it print me: expr: syntaxerror What does I make wrong?

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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,

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Increment a date variable in perl script

Hi, I have a perl script which prints epoch value of date in milliseconds as the output. My reuirement is that once the output is printed,the day variable shld increment by 1 and when i execute the script for the second time the output shld be for the new day value. My script looks as...

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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?

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Variable increment (of some sort)

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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...

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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...

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[Solved] How to increment and add variable length numbers to a variable in a loop?

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...

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Increment date variable

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...

LEARN ABOUT SUNOS

echo

echo(3XCURSES)						  X/Open Curses Library Functions					    echo(3XCURSES)

NAME

       echo, noecho - enable/disable terminal echo

SYNOPSIS

       cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib 
       -R /usr/xpg4/lib -lcurses [ library... ]

       c89 [ flag... ] file... -lcurses [ library... ]

       #include <curses.h>

       int echo(void);

       int noecho(void);

DESCRIPTION

       The  echo()  function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
       curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control  soft-
       ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.

RETURN VALUES

       Upon successful completion, these functions return OK. Otherwise, they return ERR.

ERRORS

       No errors are defined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)

SunOS 5.10							    5 Jun 2002							    echo(3XCURSES)