Common commands for AKW, grep, and SED

Awk

Sum

Cat data | awk '{sum + = $1} end {print "sum =", sum }'

Average Value

Cat data | awk '{sum + = $1} end {print "average =", sum/NR }'

Maximum Value

Cat data | awk 'in in {max = 0} {if ($1> MAX) max = $1 fi} end {print "max =", max }'

Minimum value

Awk 'in in {min = 1999999} {if ($1 <min) min = $1 fi} end {print "min =", min }'

Min is set to a big difference number.

 

 

Grep

 

Sed

 

Common commands for AKW, grep, and SED