Sponsored Content
Top Forums Shell Programming and Scripting Bash counter increment not working Post 302903882 by Aia on Friday 30th of May 2014 09:52:55 AM
Old 05-30-2014
The while loop, in this case runs in another subshell with its own scope of variables, which are created and destroy as the while loop starts and finishes.

Some more explanation
This User Gave Thanks to Aia For This Post:
 

9 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

counter / increment problem within echo stmt

Simple script trying to increment a counter within an echo statement never gets past 1 - PLEASE HELP! Thanks. ~~~~~~~~~~~ #!/bin/sh stepup() { STEP=`expr $STEP + 1` echo $STEP } # # Initialize variables # STEP=0 echo "Counter Value: `stepup`" echo "Counter Value:... (2 Replies)
Discussion started by: blaze
2 Replies

2. Shell Programming and Scripting

Increment counter in ksh

Hello, I am making an increment counter in ksh. So i write a number in a temporary file and when I execute my script I read this file and I make +1. But how can I make this with a number with 6 digits , example 000009 + 1 = 000010 ... .... .... 000099 + 1 = 000100 Do anyone know... (5 Replies)
Discussion started by: steiner
5 Replies

3. UNIX for Dummies Questions & Answers

bash script to increment a digit in filename

Hi guys, Can someone help me out with this: I have a directory with files like the following, GHost++ 2010-03-14 04-01 DotaCash RD us_ca LC #7 (44m19s).w3g GHost++ 2010-03-14 04-06 DotaCash AP us_ca LC #8 (42m24s).w3g GHost++ 2010-03-14 04-07 DotaCash AR us_ca LC #10 (08m23s).w3g ... (4 Replies)
Discussion started by: hbjlee17
4 Replies

4. Shell Programming and Scripting

loop with a counter on a constant in bash

Hello Everyone, I'm in need of assistance on creating a script with a counter on a certain string. Basically this script opens a log file and displays certain log data. There are two key words in the log. START and FINISH. In between the START and FINISH is a variable ACTNUMBER. It will... (1 Reply)
Discussion started by: rxc23816
1 Replies

5. Shell Programming and Scripting

increment counter as suffix starting with the rightmost digit

Hi, I would like to add a suffix to a file name but maintain the suffix length to 5 digits. For eg, output > 1st_file.00001, 2nd_file.00002...10th_file.00010....100th_file.00100 Can anyone please advise me on how to go about it? Platform: SunOS mps201a 5.9 Generic_118558-39 sun4u... (7 Replies)
Discussion started by: danish0909
7 Replies

6. Shell Programming and Scripting

Increment a variable in unix bash

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)
Discussion started by: amrutha0303
24 Replies

7. Shell Programming and Scripting

Bash 4.0 increment variable

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)
Discussion started by: theodorosGreece
2 Replies

8. Shell Programming and Scripting

Comparison of fields then increment a counter reading line by line in a file

Hi, i have a scenario were i should compare a few fields from each line then increment a variable based on that. Example file 989878|8999|Y|0|Y|N|V 989878|8999|Y|0|N|N|V 989878|8999|Y|2344|Y|N|V i have 3 conditions to check and increment a variable on every line condition 1 if ( $3... (4 Replies)
Discussion started by: selvankj
4 Replies

9. Shell Programming and Scripting

Bash menu item counter

We have a simple menu with prompt of menu numbers to user. It is still under construction. Is there a way to "count" the menu choices so the prompt maximum count can be changed dynamically? See attached TODO note in code read_options(){ local choice # the... (7 Replies)
Discussion started by: annacreek
7 Replies
ost::Counter< T >(3)					     Library Functions Manual					      ost::Counter< T >(3)

NAME
ost::Counter< T > - The counter template is used for generic objects which act as automatic counters. SYNOPSIS
#include <counter.h> Public Member Functions Counter () Construct and initialize a counter to zero. Counter (const Counter &counter) Construct a counter with an initial value set for another counter. Counter (T initial) Construct a counter with an initial value of the specified data type. T & operator= (T c) operator T () Protected Attributes T count Detailed Description template<typename T>class ost::Counter< T > The counter template is used for generic objects which act as automatic counters. Each time the object is accessed, the underlying counted data type is incremented. Author: David Sugar dyfet@gnutelephony.org Automatic counter template class. Constructor &; Destructor Documentation template<typename T > ost::Counter< T >::Counter () [inline] Construct and initialize a counter to zero. References ost::Counter< T >::count. template<typename T > ost::Counter< T >::Counter (const Counter< T > &counter) [inline] Construct a counter with an initial value set for another counter. Parameters: counter to copy from. References ost::Counter< T >::count. template<typename T > ost::Counter< T >::Counter (Tinitial) [inline] Construct a counter with an initial value of the specified data type. Parameters: initial value to set. References ost::Counter< T >::count. Member Function Documentation template<typename T > ost::Counter< T >::operator T () [inline] References ost::Counter< T >::count. template<typename T > T& ost::Counter< T >::operator= (Tc) [inline] Member Data Documentation template<typename T > T ost::Counter< T >::count [protected] Referenced by ost::Counter< T >::Counter(), and ost::Counter< T >::operator T(). Author Generated automatically by Doxygen for GNU CommonC++ from the source code. GNU CommonC++ Sat Jun 23 2012 ost::Counter< T >(3)
All times are GMT -4. The time now is 02:30 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy