support/dependencies/check-host-xzcat.sh

   1 #!/bin/sh
   2
   3 candidate="$1"
   4
   5 xzcat=`which $candidate 2>/dev/null`
   6 if [ ! -x "$xzcat" ]; then
   7         xzcat=`which xzcat 2>/dev/null`
   8         if [ ! -x "$xzcat" ]; then
   9                 # echo nothing: no suitable xzcat found
  10                 exit 1
  11         fi
  12 fi
  13
  14 echo $xzcat