user-tools/lnto

   1 #!/bin/bash
   2
   3 true <<EOF
   4 =pod
   5
   6 =head1 NAME
   7
   8 lnto - Convenience wrapper for ln(1). User enters link target paths relative to the current directory
   9
  10 =cut
  11
  12 EOF
  13
  14
  15 set -e
  16 set -o pipefail
  17
  18 type relpath >/dev/null
  19
  20 target_dir=''
  21 declare -a opts=()
  22 declare -a link_targets=()
  23
  24 add_link_target()
  25 {
  26         local file=$1
  27         local filedir=`dirname "$file"`
  28         local basename=`basename "$file"`
  29         local relative_path=`relpath "$filedir" "$target_dir"`"$basename"
  30         link_targets+=("$relative_path")
  31 }
  32
  33
  34 while [ $# != 0 ]
  35 do
  36         case "$1" in
  37         --help|-h)
  38                 echo "Usage: $(basename "$0") [OPTIONS] <TARGET_DIR> [LINK_TARGET [LINK_TARGET [...]]]"
  39                 echo "Creates links (symlinks with -s) in TARGET_DIR which are pointing to LINK_TARGET."
  40                 echo "Unlike to ln(1), LINK_TARGET is relative to the current working directory, not to TARGET_DIR."
  41                 echo "OPTIONS are the same as for ln(1)."
  42                 exit
  43                 ;;
  44         --)     shift; break;;
  45         -*)     opts+=("$1");;
  46         *)      if [ -z "$target_dir" ]
  47                 then
  48                         target_dir=$1
  49                 else
  50                         add_link_target "$1"
  51                 fi;;
  52         esac
  53         shift
  54 done
  55
  56 for file in "$@"
  57 do
  58         add_link_target "$file"
  59 done
  60
  61 ln "${opts[@]}" -t "$target_dir" "${link_targets[@]}"