Shell Programming and Scripting

awk: line 2 (Which is an empty line) syntax error at or near ]
awk: line 5 (Which is the first "{") syntax error at or near ,

awk: line 5: syntax error at or near ,

#!/bin/bash
 
awk -F, ' 
BEGIN{ for(i=65;i<=71;i++) al[sprintf("%c",i)]=++j }
{
        for(i=1;i<=NF;i++){
                match($i,/([A-Z]*)([0-9]*)/,arr)
                a[arr[1]"-"arr[2]]=$i
        }
}
END{
        printf "\t"
        for(i in al) printf i"\t"
        for(i=1;i<=7;i++){
                printf "\n"i
                for(j in al) {
                        printf "\t"
                        printf a[j"-"i]?"X":""
                }
        }
        printf"\n"
}
' FlightSeat

awk -F"," '{...}' infile