Hiii
I actually intent to check the integer or floating point number input by user i.e. 23, 100, 55.25, 12.50 ..etc. However, when someone input strings or alpha character, my program has to show invalid input.!! Is there any Unix shell script syntax can help me to check ?
Thanking you (2 Replies)
Hi All
I've made a few scripts which using GDAL extract the value of a pixel within a given raster. The purpose is to work out the combine value of every pixel. I thought there may have been an easier way to do this but alas!
The code below extracts the pixel value at position X Y. The... (3 Replies)
Hi,
This is most likely a dumb question but I could not find answer to it elsewhere.
I'm building a simple menu with case /esac and want to read user's input:
Please enter XYZ ; read XYZ
How do I take the value of XYZ and insert it as a variable $XYZ in file file.txt ?
I may need to... (9 Replies)
Hi all,
I am trying to write a script to be able to
Run top command
Pick the PIDs that are taking more than 90% of CPU time
Get more details like what is the script name and location for that PID
Script should run until I manually kill it by ctrl + C
I have come up with following script... (3 Replies)
Hi,
I am using awk here.
Inside an awk script, I have a variable which contains a very long XML data in string format (500kb).
I want to pass this data (as argument) to curl command using system function.
But getting Too many arguments error due to length of string data(payloadBlock).
I... (4 Replies)
I have files named with different prefixes. From each I want to extract the first line containing a specific string, and then print that line along with the prefix.
I've tried to do this with a while loop, but instead of printing the prefix I print the first line of the file twice.
Files:... (3 Replies)
Hello,
I am looking for a method to use in my bash script which allows me to use long strings with all special characters.
I have found that printf method could be helpful for me but unfortunately, when I trying
root@machine:~# tevar=`printf "%s%c"... (2 Replies)
cat filename| awk '{ $1=""; print $0}'
in my file there are few lines that has more than 3000 characters per line and as soon as I run the above command it cores, strings core reveals that the awk is failing because input string too long, limit. can i get some help from the experts to find... (8 Replies)