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I'm trying to populate a command line into a variable. It appears to be executing, instead. Here's an example:

mycmd=''
if ...; then
$mycmd='sudo '
fi
$mycmd=$mycmd 'sed -i prev s/aaa/bbb/'...

Thanks, jerardfjay. Your post must have just made it while I was typing my last one. I think I've got the problem solved. I appreciate your suggestion, though. littlejon.

Thanks to both Ygor and Aigles. I went with Aigles' suggestion and it worked like a charm. Of course, I tweaked it to meet my needs. I was originally trying to use standard programming techniques to...

Hi. Thanks for any help with this. I'm not new to programming but I am new to shell programming. I need a script that will

1. execute 'df -k' and return the volume names with specific text
2....