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 = 0 ]; then
  32         case $PATTERN in
  33                 /*)
  34                         # An absolute path. This is fine.
  35                         ;;
  36                 '~'|'~/'*)
  37                         # Expand tilde to $HOME
  38                         PATTERN=$HOME$(echo $PATTERN | tail -c +2)
  39                         ;;
  40                 *)
  41                         # A relaive path. Let's make it absolute.
  42                         PATTERN=$PWD/$PATTERN
  43                         ;;
  44         esac
  45 fi
  46
  47 if [ $COMPLETE_WORD = 1 ]; then
  48         tr -cs '[:alnum:]_' '\n' |
  49                 grep "^$(basic_regex_quote "$PATTERN")." |
  50                 sort -u
  51 else
  52         START=$(dirname "$PATTERN")
  53         # The first path condition rules out paths that start with "." unless
  54         # they start with "..". That way, hidden paths should stay hidden, but
  55         # non-normalised paths should still show up.
  56         find "$START" \
  57                 -name '.*' -prune \
  58                 -o \( \
  59                         ! -name '.*' \
  60                         -a -path "$(glob_quote "$PATTERN")*" \
  61                         -print \
  62                 \) 2>/dev/null |
  63                 head -n $FIND_FILE_LIMIT |
  64                 sort
  65 fi |
  66         vis-menu -b |
  67         sed "s/^$(printf "%s" "$PATTERN" | sed 's:/:\\/:g' )//" |
  68         tr -d '\n'