Shell Programming and Scripting

$ more foofile
abc xyz lmn 89 lm nk o p 2 p
ewalkev@brossrc> more process.awk
BEGIN { c = 0 }

{ print $0; lastrow = $0 }

END { while ( c < 10 ) {
$0 = lastrow
++$4
$9 = $9 + 24 
print $0
lastrow = $0
++c
}
}
$ uname -a
SunOS some_host 5.8 Generic_117350-05 sun4u sparc SUNW,Sun-Fire-880
$ nawk -f process.awk foofile
abc xyz lmn 89 lm nk o p 2 p
abc xyz lmn 90 lm nk o p 26 p
abc xyz lmn 91 lm nk o p 50 p
abc xyz lmn 92 lm nk o p 74 p
abc xyz lmn 93 lm nk o p 98 p
abc xyz lmn 94 lm nk o p 122 p
abc xyz lmn 95 lm nk o p 146 p
abc xyz lmn 96 lm nk o p 170 p
abc xyz lmn 97 lm nk o p 194 p
abc xyz lmn 98 lm nk o p 218 p
abc xyz lmn 99 lm nk o p 242 p