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i need to read each line of this file and use "nextyear" and 2012 as $1 and $2 in first loop. In second loop $1 and $2 must take thisyear and 2011. I am confused if the read function can do this.
Well you firstly need to decide on what you would like to use, ie either bash or awk can easily do what you want, but to use both for something so trivial is a waste.
awk by default will read a file line by line and divide the contents based on FS which by default is any contiguous white space
bash on the other hand you would need to use a loop (suggest while) and then the read command to extract data a line at a time. Then it will depend on how well you know the data
as to whether or not you read the line into a single variable to be dissected later or split based on the IFS value into multiple variables or lastly into an array
i tried using awk, but this doesn't seems to work ..
Ok...and have you checked ANY of the easily-found bash scripting tutorials?? There's even one in my posting signature, and the Advanced Bash Scripting Guide has MANY examples which you can use.
but i want to use only $1 and $2 and loop in for every line in the file. Any suggestions. can for loop be used with awk
Right..you tried awk before, and it didn't work...why would it work the second time you tried it?? And we did suggest that you read the bash scripting tutorials, and use the EXAMPLES IN THEM. Did you?
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