emulate -L zsh
local only=0 ; local multi=0
local key val
- while [[ $1 == -* ]] ; do
- case $1 in
- (-o) only=1 ;;
- (-a) multi=1 ;;
- (--) shift ; break ;;
- (-h)
- printf 'usage: salias [-h|-o|-a] <alias-expression>\n'
+ while getopts ":hao" opt; do
+ case $opt in
+ o) only=1 ;;
+ a) multi=1 ;;
+ h)
+ printf 'usage: salias [-hoa] <alias-expression>\n'
printf ' -h shows this help text.\n'
printf ' -a replace '\'' ; '\'' sequences with '\'' ; sudo '\''.\n'
printf ' be careful using this option.\n'
printf ' -o only sets an alias if a preceding sudo would be needed.\n'
return 0
;;
- (*) printf "unkown option: '%s'\n" "$1" ; return 1 ;;
+ *) salias -h >&2; return 1 ;;
esac
- shift
done
+ shift "$((OPTIND-1))"
if (( ${#argv} > 1 )) ; then
printf 'Too many arguments %s\n' "${#argv}"
# do we have GNU ls with color-support?
if [[ "$TERM" != dumb ]]; then
- #a1# List files with colors (\kbd{ls -F \ldots})
+ #a1# List files with colors (\kbd{ls \ldots})
alias ls="command ls ${ls_options:+${ls_options[*]}}"
#a1# List all files, with colors (\kbd{ls -la \ldots})
alias la="command ls -la ${ls_options:+${ls_options[*]}}"
alias ll="command ls -l ${ls_options:+${ls_options[*]}}"
#a1# List files with long colored list, human readable sizes (\kbd{ls -hAl \ldots})
alias lh="command ls -hAl ${ls_options:+${ls_options[*]}}"
- #a1# List files with long colored list, append qualifier to filenames (\kbd{ls -lF \ldots})\\&\quad(\kbd{/} for directories, \kbd{@} for symlinks ...)
+ #a1# List files with long colored list, append qualifier to filenames (\kbd{ls -l \ldots})\\&\quad(\kbd{/} for directories, \kbd{@} for symlinks ...)
alias l="command ls -l ${ls_options:+${ls_options[*]}}"
else
alias la='command ls -la'
bk() {
emulate -L zsh
local current_date=$(date -u "+%Y-%m-%dT%H:%M:%SZ")
- local clean keep move verbose result all
+ local clean keep move verbose result all to_bk
setopt extended_glob
- usage() {
- cat << EOT
+ keep=1
+ while getopts ":hacmrv" opt; do
+ case $opt in
+ a) (( all++ ));;
+ c) unset move clean && (( ++keep ));;
+ m) unset keep clean && (( ++move ));;
+ r) unset move keep && (( ++clean ));;
+ v) verbose="-v";;
+ h) cat << EOT
bk [-hcmv] FILE [FILE ...]
bk -r [-av] [FILE [FILE ...]]
Backup a file or folder in place and append the timestamp
The return code is the sum of all cp/mv/rm return codes.
EOT
- }
- keep=1
- while getopts ":hacmrv" opt; do
- case $opt in
- a) (( all++ ));;
- c) unset move clean && (( ++keep ));;
- m) unset keep clean && (( ++move ));;
- r) unset move keep && (( ++clean ));;
- v) verbose="-v";;
- h) usage;;
- \?) usage >&2; return 1;;
+return 0;;
+ \?) bk -h >&2; return 1;;
esac
done
shift "$((OPTIND-1))"
if (( keep > 0 )); then
- while (( $# > 0 )); do
- if islinux || isfreebsd; then
- cp $verbose -a "${1%/}" "${1%/}_$current_date"
- else
- cp $verbose -pR "${1%/}" "${1%/}_$current_date"
- fi
- (( result += $? ))
- shift
- done
+ if islinux || isfreebsd; then
+ for to_bk in "$@"; do
+ cp $verbose -a "${to_bk%/}" "${to_bk%/}_$current_date"
+ (( result += $? ))
+ done
+ else
+ for to_bk in "$@"; do
+ cp $verbose -pR "${to_bk%/}" "${to_bk%/}_$current_date"
+ (( result += $? ))
+ done
+ fi
elif (( move > 0 )); then
while (( $# > 0 )); do
mv $verbose "${1%/}" "${1%/}_$current_date"
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
+ for to_bk in "$@"; do
+ rm $verbose -rf "${to_bk%/}"_[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
if (( all > 0 )); then