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03-16-2008
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global variable in awk
I wrote a awk script file and define some global variables after BEGIN option:
BEGIN { cell = ""; alarm = "";} when i run the command: awk -f awk_script inputfile The results are as expected. But when I put awk script into a shell script. Global variables couldn't be understand. I don't want to use the formatting: awk -v cell=123 awk_script inputfile . Because the global variables can't be changed many times before finishing awk_script ( with -v option: golbal variables're alway fixed). Who can solve this for us? Thanks |
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