vis-complete

   1 #!/bin/sh
   2 set -e
   3
   4 basic_regex_quote() { printf "%s" "$1" | sed 's|[\\.*^$[]|\\&|g'; }
   5 glob_quote () { printf "%s" "$1" | sed 's|[\\?*[]]|\\&|g'; }
   6
   7 PATTERN=""
   8 COMPLETE_WORD=0
   9 FIND_FILE_LIMIT=1000
  10
  11 while [ $# -gt 0 ]; do
  12         case "$1" in
  13         -h|--help)
  14                 echo "usage: $(basename "$0") [-h] [--file|--word] [pattern]"
  15                 exit 0;
  16                 ;;
  17         --file)
  18                 shift
  19                 ;;
  20         --word)
  21                 COMPLETE_WORD=1
  22                 shift
  23                 ;;
  24         *)
  25                 PATTERN="$1"
  26                 break
  27                 ;;
  28         esac
  29 done
  30
  31 if [ $COMPLETE_WORD = 1 ]; then
  32         tr -cs '[:alnum:]_' '\n' |
  33                 grep "^$(basic_regex_quote "$PATTERN")." |
  34                 sort -u
  35 else
  36         # Expand to absolute path because of the -path option below.
  37         case $PATTERN in
  38                 /*)
  39                         XPATTERN=$PATTERN
  40                         ;;
  41                 '~'|'~/'*)
  42                         XPATTERN=$HOME$(echo $PATTERN | tail -c +2)
  43                         ;;
  44                 *)
  45                         XPATTERN=$PWD/$PATTERN
  46                         ;;
  47         esac
  48
  49         # The first path condition rules out paths that start with "." unless
  50         # they start with "..". That way, hidden paths should stay hidden, but
  51         # non-normalised paths should still show up.
  52         find $(dirname "$XPATTERN") \
  53                 -name '.*' -prune \
  54                 -o \( \
  55                         ! -name '.*' \
  56                         -a -path "$(glob_quote "$XPATTERN")*" \
  57                         -print \
  58                 \) 2>/dev/null |
  59                 head -n $FIND_FILE_LIMIT |
  60                 sort |
  61                 sed "s|^$(dirname $XPATTERN)/||"
  62 fi |
  63         vis-menu -b |
  64         sed "s|^$(basename $PATTERN)$(echo $PATTERN | tail -c 2 | fgrep /)||" |
  65         tr -d '\n'