bin/ls-bre


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#! /bin/sh
# ls-bre : directory -> BRE
# Create a BRE from the files in a directory.
set -euf

ls "$1" \
  | tr \\n / \
  | sed '
      s:[\.\[\\\*\^\$]:\\&:g
      s:/$::
      s:/:\\|:g
    '