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Old 08-06-2003, 03:22 PM   #1
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Registered: Jul 2003
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Question Inserting a carriage return in awk


I'm trying to use awk to pull data from a file and output the results through a command line utility. Specifically, I have a file that has a long number on each line. I want to take each number out of this file, and run the number through a command line utility one by one...and eventually output the results to another file (but I'm not to this point yet).

I am able to match each line from my file and output each line to the screen. However, I need to insert a carriage return after each line of output in order for my command line utility to run before moving on to the next line. This is what I have:

awk '// { printf "tslp -username test -password testing -serialnumber %s\r\n", $0; next }' < v2.out

Can anyone help me with this? Sorry if my description is confusing!

Old 08-17-2003, 05:29 PM   #2
Registered: Jul 2003
Location: Boston, MA, USA
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I think I get what you're doing, but I don't see what the problem is. I ran that command and I get a carriage-return/line-feed pair at the end of each line of output.

Why do you need the carriage-returns on there? Are you going to run the commands this outputs as a batch file on Windows or something? If not, you probably really want to be using xargs(1), which does this in a more direct way. Try this:

xargs -l1 tslp -username test -password testing -serialnumber <v2.out

That will run your tslp command once for each line in v2.out, putting the line on the end of the tslp command line. Isn't that what you want?


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