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11-03-2005
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while loop
I have the following script I need to exit the look when 1hr expires or the sql statemnt comes back successfully (i.e. return 0) It seams my variable $CTR is not incrementing and I'm not sure why. Any help is appriciated
#! /usr/bin/ksh CTR=0 RC=10 while [ $CTR -ne 6 -o $RC -ne 0 ]; do let "$CTR = $CTR + 1" echo $CTR sqlplus -s $USER/$PW@$SID @ndm_file_check.sql stmt1 RC=$? if [ $RC -ne 0 ] then sleep 600 fi done exit 0 |
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11-03-2005
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let "$CTR = $CTR + 1"
You should not use dollar signs with let and you must not use a dollar sign with the lvalue. let "CTR=CTR+1" and rather than let, the double parentheses notation is better, although "let" is not actually incorrect. ((CTR=CTR+1)) |
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