Folks, I wish to do something like the following in a bash script but
can't work out the correct incantation of escape chars etc so any advice
welcome! ie what is it I need to do for env var STRING and the grep
command so that grep -e $STRING handles the space in STRING correctly.
Ta, Michael
#!/bin/bash -x
### script to check when STRING appears in FILE
if [[ $# -eq 0 ]]; then
STRING=After\ NEXTIME
FILE=UK108_N2O5aeroHet_varGamma-hybridCMU_INI.log
elif [[ $# -eq 2 ]]; then
STRING=$1
STRING=$2
else
echo Usage\: $0 [string file]
echo To loop until \$string found in \$file
exit
fi
echo Looping until
echo " '${STRING}'"
echo found in $FILE
while [[ `grep -e ${STRING} ${FILE} |wc -l` -lt 1 ]];do
echo nope
sleep 60
done
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