Assuming that you're using a POSIX conforming shell (such as ksh or bash), the following seems to do what you want:
When the above script is run in a directory containing the files:
the output produced is:
These 3 Users Gave Thanks to Don Cragun For This Post:
hi, im trying to compare two variables in csh to put in an if statement, eg:
set a = $firstnum
set b = $secondnum
if ($a -ge $b) echo $a
But I get an error ("if: Expression syntax"). How can I make csh see my variables as integers?
thanks in advance! (5 Replies)
I'm trying to write an integer to a file using the write() function, but write() requires the parameter to be written to be a const void*.
How would I go about doing this?
also: using itoa() produces a " warning: implicit declaration of function 'itoa' " even though i have #included stdlib.h (2 Replies)
I would like to add 4.7 and 1.2. However I am unable to do this with expr.
Any simple ideas (even using something other than expr)?
Example:
me> expr 4 + 1
5
me> expr 4.7 + 1.2
expr: 0402-046 A specified operator requires numeric parameters. (18 Replies)
Hi all,
Could someone please advise what is the correct syntax for my little script to process a table of values?
The table is as follows:
0.002432 20.827656
0.006432 23.120364
0.010432 25.914184
0.014432 20.442655
0.018432 20.015243
0.022432 21.579517
0.026432 18.886874... (9 Replies)
Wonderful evening to all of you!
My problem has to possible starting points.
Well, not really, but getting to either one is no problem at all.
So i got either a string in the format of "1920x1080" or simply the integers X = 1920 and Y = 1080.
When I am done, I would like to have an output... (5 Replies)
I'm trying to write a bash script to perform basic arithmetic operations but I want to run a comparison on the arguments first to check that they're a number greater than zero.
I want an error to pop up if the arguments args aren't >= 0 so I have:
if ! ]; then
echo "bad number: $1"
fi
... (14 Replies)
Hi,
I am working in bash in Mac OSX, I have following 'input.txt' file:
<INFO> HypoTestTool: >>> Done running HypoTestInverter on the workspace combined
<INFO> HypoTestTool: The computed upper limit is: 11 +/- 1.02651
<INFO> HypoTestTool: expected limit (median) 11
<INFO> HypoTestTool: ... (13 Replies)
This should be a really easy question.
My input file will have a few fields that are strings in the first line, which I will extract and save as variables. The rest of the fields on every line will be integers and floating point numbers. Can awk tell the difference somehow? That is, is there... (5 Replies)
Hy friends, I am newbie to bash scripting, can anyone explain how b=${a/23/BB} # Substitute "BB" for "23". this line converts "b" into string and and "d" into Integer. Thanks in advance (4 Replies)
Hi,
I can't figure out what I'm missing. I'm running a query to see if there are any streams recording on my DVR before starting a scripted update. I'm guessing that it is viewing $VIDEO as a string instead of an int. I've tried everything I saw on google but it still comes back as $VIDEO is... (8 Replies)