aboutsummaryrefslogtreecommitdiffstats
path: root/plugins/.nmv
blob: 01e35da433fdcd05efd526148513236048bf215f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
#!/usr/bin/env bash

# Description: An almost fully POSIX compliant batch file renamer
#
# Note: nnn auto-detects and invokes this plugin if available
#
# Capabilities:
#    1. Basic file rename
#    2. Detects order change
#    3. Can move files
#    4. Can remove files
#    5. Switch number pairs to swap filenames
#
# Shell: bash
# Author: KlzXS

EDITOR="${EDITOR:-vi}"
TMPDIR="${TMPDIR:-/tmp}"
INCLUDE_HIDDEN="${INCLUDE_HIDDEN:-0}"
VERBOSE="${VERBOSE:-0}"

selection=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection
exit_status=0

dst_file=$(mktemp "$TMPDIR/.nnnXXXXXX")

if [ -s "$selection" ]; then
	printf "Rename 'c'urrent / 's'election? "
	read -r resp

    if ! [ "$resp" = "c" ] && ! [ "$resp" = "s" ]; then
        exit 1
    fi
fi

if [ "$resp" = "s" ]; then
	arr=$(tr '\0' '\n' < "$selection")
else
	if [ "$INCLUDE_HIDDEN" -eq 0 ]; then
		arr=$(find . ! -name . -prune ! -name ".*" -print | sort)
	else
		arr=$(find . ! -name . -prune -print | sort)
	fi
fi

printf "%s" "$arr" | awk '{print NR " " $0}' > "$dst_file"

items=("~")
while IFS='' read -r line; do
	items+=("$line");
done < <(printf "%s\n" "$arr")

$EDITOR "$dst_file"

while read -r num name; do
	if [ -z "$name" ]; then
		if [ -z "$num" ]; then
			continue
		fi

		printf "%s: unable to parse line, aborting\n" "$0"
		exit 1
	fi

	# check if $num is an integer
	if [ ! "$num" -eq "$num" ] 2> /dev/null; then
		printf "%s: unable to parse line, aborting\n" "$0"
		exit 1
	fi

	src=${items[$num]}

	if [ -z "$src" ]; then
		printf "%s: unknown item number %s\n" "$0" "$num" > /dev/stderr
		continue
	elif [ "$name" != "$src" ]; then
		if [ -z "$name" ]; then
			continue
		fi

		if [ ! -e "$src" ] && [ ! -L "$src" ]; then
			printf "%s: %s does not exit\n" "$0" "$src" > /dev/stderr

			unset "items[$num]"
			continue
		fi

		# handle swaps
		if [ -e "$name" ] || [ -L "$name" ]; then
			tmp="$name~"
			c=0

			while [ -e "$tmp" ] || [ -L "$tmp" ]; do
				c=$((c+1))
				tmp="$tmp~$c"
			done

			if mv "$name" "$tmp"; then
				if [ "$VERBOSE" -ne 0 ]; then
					printf "'%s' -> '%s'\n" "$name" "$tmp"
				fi
			else
				printf "%s: failed to rename %s to %s: %s\n" "$0" "$name" "$tmp" "$!" > /dev/stderr
				exit_status=1
			fi

			for key in "${!items[@]}"; do
				if [ "${items[$key]}" = "$name" ]; then
					items[$key]="$tmp"
				fi
			done
		fi

		dir=$(dirname "$name")
		if [ ! -d "$dir" ] && ! mkdir -p "$dir"; then
			printf "%s: failed to create directory tree %s\n" "$0" "$dir" > /dev/stderr
			exit_status=1
		elif ! mv "$src" "$name"; then
			printf "%s: failed to rename %s to %s: %s\n" "$0" "$name" "$tmp" "$!" > /dev/stderr
			exit_status=1
		else
			if [ -d "$name" ]; then
				for key in "${!items[@]}"; do
					items[$key]=$(printf "%s" "${items[$key]}" | sed "s|^$src\(\$\|\/\)|$name\1|")
				done

				if [ "$VERBOSE" -ne 0 ]; then
					printf "'%s' => '%s'\n" "$src" "$name"
				fi
			else
				true
				if [ "$VERBOSE" -ne 0 ]; then
					printf "'%s' -> '%s'\n" "$src" "$name"
				fi
			fi
		fi
	fi

	unset "items[$num]"
done <"$dst_file"

unset "items[0]"
for item in "${items[@]}"; do
	rm -ri "$item"
done

rm "$dst_file"
exit $exit_status