mkextract

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SearchContext: - none - 3 - 10

    1 #!/bin/rc
    2 
    3 switch($#*){
    4 case [012]
    5         echo usage: mkextract [-u] field n file... >[1=2]
    6         exit 1
    7 }
    8 
    9 switch($1){
   10 case -u
   11         flag=$1; shift
   12 case *
   13         flag=''
   14 }
   15 
   16 field=$1
   17 n=$2
   18 shift 2
   19 
   20 fn select {
   21         awk '
   22 
   23                 BEGIN                   { doprint=0 }
   24                 /^$/                    { next }
   25                 /^#/                    { next }
   26                 doprint && /^[^ ]/      { doprint=0 }
   27                 doprint                 { print $'^$n^' }
   28                 $1 ~ "^'^$field^'$"     { doprint=1; next }
   29         ' $*
   30 }
   31 
   32 switch($flag){
   33 case -u
   34         select $* | sort -u
   35 case *
   36         select $*
   37 }

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FreeBSD/Linux Kernel Cross Reference sys/port/mkextract

FreeBSD/Linux Kernel Cross Reference
sys/port/mkextract