[[ $GRML_OSTYPE == "OpenBSD" ]]
}
+issolaris(){
+ [[ $GRML_OSTYPE == "SunOS" ]]
+}
+
#f1# are we running within an utf environment?
isutfenv() {
case "$LANG $CHARSET $LANGUAGE" in
typeset -ga ls_options
typeset -ga grep_options
if ls --color=auto / >/dev/null 2>&1; then
- ls_options=( --color=auto )
+ ls_options+=( --color=auto )
elif ls -G / >/dev/null 2>&1; then
- ls_options=( -G )
+ ls_options+=( -G )
fi
if grep --color=auto -q "a" <<< "a" >/dev/null 2>&1; then
- grep_options=( --color=auto )
+ grep_options+=( --color=auto )
fi
# utility functions
# host completion
if is42 ; then
+ [[ -r ~/.ssh/config ]] && _ssh_config_hosts=(${${${(@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
# use generic completion system for programs not yet defined; (_gnu_generic works
# with commands that provide a --help option with "standard" gnu-like output.)
for compcom in cp deborphan df feh fetchipac gpasswd head hnb ipacsum mv \
- pal stow tail uname ; do
+ pal stow uname ; do
[[ -z ${_comps[$compcom]} ]] && compdef _gnu_generic ${compcom}
done; unset compcom
# do we have GNU ls with color-support?
if [[ "$TERM" != dumb ]]; then
- #a1# List files with colors (\kbd{ls -F \ldots})
- alias ls='command ls -F '${ls_options:+"${ls_options[*]}"}
+ #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 la="command ls -la ${ls_options:+${ls_options[*]}}"
#a1# List files with long colored list, without dotfiles (\kbd{ls -l \ldots})
- alias ll='command ls -l '${ls_options:+"${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 ...)
- alias l='command ls -lF '${ls_options:+"${ls_options[*]}"}
+ alias lh="command ls -hAl ${ls_options:+${ls_options[*]}}"
+ #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 ls='command ls -F'
alias la='command ls -la'
alias ll='command ls -l'
alias lh='command ls -hAl'
- alias l='command ls -lF'
+ alias l='command ls -l'
fi
alias mdstat='cat /proc/mdstat'
# get a root shell as normal user in live-cd mode:
if isgrmlcd && [[ $UID -ne 0 ]] ; then
alias su="sudo su"
- fi
+ fi
#a1# Take a look at the syslog: \kbd{\$PAGER /var/log/syslog}
salias llog="$PAGER /var/log/syslog" # take a look at the syslog
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 all
+ setopt extended_glob
usage() {
cat << EOT
bk [-hcmv] FILE [FILE ...]
+bk -r [-av] [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.
+-a Remove all (even hidden) backups.
-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 ":hacmrv" opt; do
case $opt in
- c) unset move && (( ++keep ));;
- m) unset keep && (( ++move ));;
+ a) (( all++ ));;
+ c) unset move clean && (( ++keep ));;
+ m) unset keep clean && (( ++move ));;
+ r) unset move keep && (( ++clean ));;
v) verbose="-v";;
h) usage;;
\?) usage >&2; return 1;;
shift "$((OPTIND-1))"
if (( keep > 0 )); then
while (( $# > 0 )); do
- if islinux; then
- cp $verbose -a "$1" "$1_$current_date"
- elif isfreebsd; then
- if [[ -d "$1" ]] && [[ "$1" == */ ]]; then
- echo "cowardly refusing to copy $1 's content; see cp(1)" >&2; return 1
- else
- cp $verbose -a "$1" "$1_$current_date"
- fi
- else;
- cp $verbose -pR "$1" "$1_$current_date"
+ if islinux || isfreebsd; then
+ cp $verbose -a "${1%/}" "${1%/}_$current_date"
+ else
+ cp $verbose -pR "${1%/}" "${1%/}_$current_date"
fi
(( result += $? ))
shift
done
elif (( move > 0 )); then
while (( $# > 0 )); do
- mv $verbose "$1" "$1_$current_date"
+ mv $verbose "${1%/}" "${1%/}_$current_date"
(( 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
+ if (( all > 0 )); then
+ 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(D)
+ 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
+ fi
+ (( result += $? ))
+ fi
fi
return $result
}