1. UNIX for Dummies Questions & Answers

Hi, I have an expression using grep and nawk that captures the ID number of a given Unix process. It gets printed to screen but I don't know how to declare a variable to this returned value! For example, ps -ef|grep $project | grep -v grep | nawk '{print $2}' This returns my number. How... (2 Replies)

2. Programming

I have a class with an integer pointer, which I have not initialized to NULL in the constructor. For example: class myclass { private: char * name; int *site; } myclass:: myclass(....) : name(NULL) { ..... } other member function “delete “ the variable before... (2 Replies)

3. UNIX for Dummies Questions & Answers

Hi, I am passing a variable to a unix function. However when I try to assign the value to another variable like typeset -i I_CACHE_VAL=$2 Is this because of String to Integer conversion? I get an error. Please help me with thsi. Thanks (2 Replies)

4. UNIX for Dummies Questions & Answers

Hello, I am in following situation.- COUNT=`ls -l | wc -l` echo $COUNT ---> 26 NO_OF_FILES=$COUNT-1 echo $NO_OF_FILES ---> 26-1 Here, I want the output to be 25. How could I do this. It seems simple, but I am not getting it. Please help me. (2 Replies)

5. Shell Programming and Scripting

Hi ! I'm looking for a way to transform certain floating point numbers in a one-line, variable length file to integers. I can do this in a crude way with sed : sed -e 's/0\.\(\):/\1:/g' -e 's/0\.0\(\):/\1:/g' -e 's/1\.000:/100:/g' myfile ... but this doesn't handle the rounding correctly. ... (3 Replies)

6. Shell Programming and Scripting

I would like to know the maximum integer that a variable can hold. Actually one of my variable holds value 2231599773 and hence the script fails to process it.Do we have any other data type or options available to handle this long integers? (9 Replies)

7. Shell Programming and Scripting

I read 3 variables from from Inputfile.txt the third one "startnumber" is a number when i compare it with 9 ($startnumber -le 9) it give's me a "unary operator expected", i know that -le is for number comparison. What i need is to convert $startnumber to integer (i have try to do it with expr but... (8 Replies)

8. Shell Programming and Scripting

hi, how to I do this? i="4.000" if ; then echo "smaller" fi how do I convert the "4.000" to 4? Thanks! (4 Replies)

9. Shell Programming and Scripting

Hi Guys, i guess there is a several ways to grub the strings from date and time like THISMONTH='/bin/date +%m' but the hard part is to add or sub that string to a variable i tried to use let command TWOMONTHSAGO=$THISMONTH declare -i TWOMONTHSAGO let TWOMONTHSAGO-=2 but there... (1 Reply)

10. UNIX for Beginners Questions & Answers

Hi Folks - Linux Version = Linux 2.6.39-400.128.17.el5uek x86_64 I have a process that determines the start and end load periods for an Oracle data load process. The variables used are as follows follows: They are populated like such: However, the load requires the month to be the... (11 Replies)