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|
#!/bin/sh
set -e
fatal() {
echo "$@" >&2
exit 1
}
usage() {
fatal "Usage: $(basename "$0") [--file|--word] [--] pattern
Interactively complete file or word
--file this passes pattern to obtain a list of matching
file names (this is the default).
--word this reads standard input to obtain a list of lines
matching pattern.
pattern pattern to be completed"
}
basic_regex_quote() { printf "%s" "$1" | sed 's|[\\.*^$[]|\\&|g'; }
glob_quote () { printf "%s" "$1" | sed 's|[\\?*[]]|\\&|g'; }
COMPLETE_WORD=0
FIND_FILE_LIMIT="${FIND_FILE_LIMIT:-1000}"
while [ $# -gt 0 ]; do
case "$1" in
--file)
COMPLETE_WORD=0
shift
;;
--word)
COMPLETE_WORD=1
shift
;;
--)
shift
break
;;
-*|'')
usage
;;
*)
break
;;
esac
done
[ "$#" -lt 1 ] && usage
PATTERN="$1"
if [ $COMPLETE_WORD = 1 ]; then
# shellcheck disable=SC1003
tr -s '\t {}()[],<>%^&.\\' '\n' |
grep "^$(basic_regex_quote "$PATTERN")." |
sort -u
else
# Expand to absolute path because of the -path option below.
# shellcheck disable=SC2088
case $PATTERN in
/*)
XPATTERN="$PATTERN"
;;
'~'|'~/'*)
XPATTERN="$HOME$(echo "$PATTERN" | tail -c +2)"
;;
*)
XPATTERN="$PWD/$PATTERN"
;;
esac
# The first path condition rules out paths that start with "." unless
# they start with "..". That way, hidden paths should stay hidden, but
# non-normalised paths should still show up.
find "$(dirname "$XPATTERN")" \
-name '.*' -prune \
-o \( \
! -name '.*' \
-a -path "$(glob_quote "$XPATTERN")*" \
-print \
\) 2>/dev/null |
head -n "$FIND_FILE_LIMIT" |
sort |
sed "s|^$(dirname "$XPATTERN")/||"
fi |
vis-menu -b |
sed "s|^$(basename "$PATTERN")$(echo "$PATTERN" | tail -c 2 | grep -F /)||" |
tr -d '\n'
|
