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- a=`xyz | head -n 1 | awk '{print $2}'`
- cmd="xyz | head -n 1 | awk '{print $2}'"
- a=`$cmd`
- xyz | awk '{print $2; exit}'
- mycmd() {
- xyz | awk '{print $2; exit}'
- }
- a=$(mycmd)
- read _ a _ < <(xyz)
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