# host completion
if is42 ; then
+ [[ -r ~/.ssh/config ]] && _ssh_config_hosts=(${${${(@M)${(f)"$(<$HOME/.ssh/config)"}:#Host *}#Host }:#*[*?]*}) || _ssh_config_hosts=()
[[ -r ~/.ssh/known_hosts ]] && _ssh_hosts=(${${${${(f)"$(<$HOME/.ssh/known_hosts)"}:#[\|]*}%%\ *}%%,*}) || _ssh_hosts=()
[[ -r /etc/hosts ]] && : ${(A)_etc_hosts:=${(s: :)${(ps:\t:)${${(f)~~"$(</etc/hosts)"}%%\#*}##[:blank:]#[^[:blank:]]#}}} || _etc_hosts=()
else
+ _ssh_config_hosts()
_ssh_hosts=()
_etc_hosts=()
fi
hosts=(
$(hostname)
+ "$_ssh_config_hosts[@]"
"$_ssh_hosts[@]"
"$_etc_hosts[@]"
localhost
bk() {
emulate -L zsh
local current_date=$(date -u "+%Y-%m-%dT%H:%M:%SZ")
- local keep move verbose result
+ local clean keep move verbose result
+ setopt extended_glob
usage() {
cat << EOT
bk [-hcmv] FILE [FILE ...]
+bk -r [-v] [FILE [FILE ...]]
Backup a file or folder in place and append the timestamp
+Remove backups of a file or folder, or all backups in the current directory
Usage:
-h Display this help text
-c Keep the file/folder as is, create a copy backup using cp(1) (default)
-m Move the file/folder, using mv(1)
+-r Remove backups of the specified file or directory, using rm(1). If none
+ is provided, remove all backups in the current directory.
-v Verbose
-The -c and -m options can't be used at the same time. If both specified, the
-last one is used.
+The -c, -r and -m options are mutually exclusive. If specified at the same time,
+the last one is used.
-The return code is the sum of all cp/mv return codes.
+The return code is the sum of all cp/mv/rm return codes.
EOT
}
keep=1
- while getopts ":hcmv" opt; do
+ while getopts ":hcmrv" opt; do
case $opt in
- c) unset move && (( ++keep ));;
- m) unset keep && (( ++move ));;
+ c) unset move clean && (( ++keep ));;
+ m) unset keep clean && (( ++move ));;
+ r) unset move keep && (( ++clean ));;
v) verbose="-v";;
h) usage;;
\?) usage >&2; return 1;;
(( result += $? ))
shift
done
+ elif (( clean > 0 )); then
+ if (( $# > 0 )); then
+ while (( $# > 0 )); do
+ rm $verbose -rf "${1%/}"_[0-9](#c4,)-(0[0-9]|1[0-2])-([0-2][0-9]|3[0-1])T([0-1][0-9]|2[0-3])(:[0-5][0-9])(#c2)Z
+ (( result += $? ))
+ shift
+ done
+ else
+ rm $verbose -rf *_[0-9](#c4,)-(0[0-9]|1[0-2])-([0-2][0-9]|3[0-1])T([0-1][0-9]|2[0-3])(:[0-5][0-9])(#c2)Z
+ (( result += $? ))
+ fi
fi
return $result
}