1. Shell Programming and Scripting

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)

2. Shell Programming and Scripting

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)

3. Shell Programming and Scripting

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... (11 Replies)

4. Shell Programming and Scripting

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)

5. Shell Programming and Scripting

i have a variable that has more than one value. i am declaring another variable, which will have the old variable data one by one. i want to use the second variable to hold the track of all the variable it has parsed from the first one. can somebody help me how do i declare and use the second... (7 Replies)

6. Shell Programming and Scripting

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)

7. Shell Programming and Scripting

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)

8. Shell Programming and Scripting

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)

9. Shell Programming and Scripting

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)