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Using awk

Error messages

Generally, if you make an error in your awk program, you get an error message. For example:

   $3 < 200 { print ( $1 }
This program generates the following error messages:
   awk: syntax error at source line 1
    context is
           $3 < 200 { print ( $1 >>> } <<<
   awk: illegal statement at source line 1
            1 extra (
Some errors might be detected while your program is running. For example, if you try to divide a number by zero, awk stops processing and reports the input record number (NR) and the line number in the program.
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