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### Mark and recall
#
# Jan Petykiewicz 2017-01-26
#
# Functions:
# mark : Mark a path for later recall.
# If no directory is given as an argument, marks the current working directory.
# mlist : List marked directories.
# Entries are unique and sorted most-to-least recent by mark time.
# recall: Return to a previously-marked directory.
# Pass a number to specify an entry in mlist; default is 1 (most recently marked).
# bamf: Return to a marked directory using a fuzzy search, e.g.
# ```bamf proj``` may match /home/username/projects/
#
# Use of bamf requires python3 and fuzzywuzzy.
#
if [ -z $XDG_DATA_DIR ]; then
dir=$HOME/.local/share
else
dir=$XDG_DATA_DIR
fi
mkdir -p $dir
MARK_RECALL_FILE=$dir/.mark_recall
touch $MARK_RECALL_FILE
MARK_RECALL_MEMORY=100
mark() {
# If no arg given, add current dir
if [ "$#" -lt 1 ]; then
dir="$PWD"
else
dir="$(cd "$1" && pwd)"
fi
# cat inside echo to avoid overwriting before we read
new_list="$dir
$(cat $MARK_RECALL_FILE)"
# Remove duplicates, keep a limited number, drop empty lines, and write to file
echo "$new_list" \
| awk '!a[$0]++' - \
| head -n $MARK_RECALL_MEMORY \
| sed '/^[[:space:]]*$/d' \
> $MARK_RECALL_FILE
}
recall() {
if [ "$#" -lt 1 ]; then
cd $(head -n 1 $MARK_RECALL_FILE)
else
cd $(sed "${1}q;d" $MARK_RECALL_FILE)
fi
}
mlist() {
cat -n $MARK_RECALL_FILE
}
bamf() {
if [ "$#" -lt 1 ]; then
recall
else
dir=$(python3 -W ignore -c "
import sys
from fuzzywuzzy import process, fuzz
with open('$MARK_RECALL_FILE') as f:
path_list = f.readlines()
print(process.extractOne(' '.join(sys.argv[1:]), path_list,
scorer=fuzz.token_sort_ratio)[0][:-1])
" "$@")
cd $dir
fi
}