chiark - git - mdw - profile/blob - bin/mdw-conf

   1 #! /bin/sh
   2
   3 set -e
   4 var=${1?var}
   5 val=$(
   6   sed -n "
   7     /^[  ]*$var[         ]*=[    ]*\(.*[^        ]\)\{0,1\}[     ]*$/ {
   8       s//\1/; p; q
   9     }
  10   " ${MDWCONF-$HOME/.mdw.conf})
  11 case "$val,$2" in
  12   "","") echo >&2 "$0: configuration variable $var not found."; exit 1 ;;
  13   "",*) val=$2 ;;
  14   "~/"*) val=$HOME/${val#\~/} ;;
  15 esac
  16 echo "$val"