View difference between Paste ID: kkxjtbJr and

-
+#!/bin/bash
 
 # globals-------------------------------------------------------------------
 script_name="${0##*/}"
 script_dir=$(readlink -f "${0%/*}")
 script_version=1
 
 # this can be modded to be supplied from command line
 named_dir='/var/named'
 serialfile="ufis-common.txt"
 
 # main----------------------------------------------------------------------
 [[ "$1" ]] && {
     (( ${#1} == 10 )) && newserial=$1
     (( ${#1} == 8 )) && date=$1
     (( ${#1} == 2 )) && revision=$1
     ! [[ "$1" =~ ^[0-9]+$ ]] || [[ -z "$newserial$date$revision" ]] && echo "$script_name: ERROR: can't do anything with $1" && exit 1
 }
 
 curserial="$( sed -ne 's/^.*\([0-9]\{10\}\).*/\1/g; /^[0-9]*$/p' "$named_dir/$serialfile" )"
 
 # if we haven't been passed a serial lets build one
 [[ -z "$newserial" ]] && {
 # if we don't have a date get current
     [[ -z "$date" ]] && date="$(date +%Y%m%d)"
 # if we don't have revision number get next from the current, if current=99 or date<>today it'll be "01"
     [[ -z "$contador" ]] && {
         revision="01"
         (( ${curserial:0:8} == $date )) && {
             revision=$( printf "%02d" $(( 10#${curserial:8:2}+1 )) )
             (( 10#$revision == 100 )) && echo "$script_name: warning: revision counter looped to 01" && revision="01"
         }
     }
     newserial=$date$revision
 }
 
 # replace the serial
 # some sanity checks here won't hurt
 # this is a minimal one
 (( ${#newserial} == 10 )) && {
     echo "$script_name: new serial number $newserial"
     sed -i "s/\(^.*\)$curserial\(.*$\)/\1$newserial\2/" "$named_dir/$serialfile"
 }