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On 04/24/08 10:52, michael wrote:
> 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
What happens when you do this?
$ grep -e "After NEXTIME" \
UK108_N2O5aeroHet_varGamma-hybridCMU_INI.log
- --
Ron Johnson, Jr.
Jefferson LA USA
We want... a Shrubbery!!
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=/9VP
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