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AWK Patterns

The -F option with the colon(:) indicates our field separator is the colon. The regular expression indicates to match ksh at the end of each password record.

• The action statement says print the username or login name.
• The action will take place if the pattern match is true.

awk -F: ‘ /ksh$/ { print $1 } ‘ /etc/passwd

compound pattern {statement(s)}

• Field Separator is the UNIX pipe character(|).
• Determine if field six equals the character string "CA"
• Determine if field five is like "San Jose"

awk -F”|” ‘ $6 == “CA” && $5 ~ /San Jose/ ‘ phone.lst 

awk Variables
awk Arrays
awk Patterns
awk Select
awk Control Statements
awk examples