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Linux Cross Reference
Linux/scripts/pathdown.sh

Version: ~ [ 2.4.0 ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~ 
  1 #!/bin/sh
  2 UP=
  3 DN=${PWD:?}
  4 TP=${TOPDIR:?}
  5 
  6 while [ ! $TP/$UP/. -ef $DN ] ;do
  7         UP=`basename $PWD`/$UP
  8         cd ..
  9         if [ "$PWD" = "/" ]; then echo "Lost"; exit 1; fi
 10 done
 11 
 12 echo $UP
 13 exit 0
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