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Shell Programming and Scripting
check a list of vars
Post 302237131 by audiophile on Wednesday 17th of September 2008 04:25:32 AM
09-17-2008
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nawk -F"|" -v x=$1 ' BEGIN
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I'm trying to pass nawk a shell variable to be used in a pattern match. I can't get this work.
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Hi all
How do I use awk such that it does not require an input file? I have a situation where I need to process some shell vars within awk (passed into awk with "-v VAR1=$VALUE1, VAR2=$VALUE2" etc), but that processing does not require/use an input file.
Any guidance?
TIA
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Hia,
echo ${!S*}
gives me all those env vars starting with S like SHELL SECONDS SHELLOPTS SHLVL etc.
is there any way to deflate the shell variables' range like
echo ${!A-E*} OR echo ${!A..S*}
to list all env vars starting within range of A till E. Thanks
Regards,
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