150 lines
3.8 KiB
Bash
150 lines
3.8 KiB
Bash
#!/bin/bash
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str_after () {
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echo "$1" | cut -s -d "${2:-=}" -f2
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}
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str_before () {
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echo "$1" | cut -s -d "${2:-=}" -f1
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}
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# must be json as a string, depends on jq
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get_prop_value () {
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local value
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# echo in $1 get $2
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value=$(echo $1 | jq -r .$2)
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echo $value
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}
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is_array() {
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local variable_name=$1
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[[ "$(declare -p $variable_name 2>/dev/null)" =~ "declare -a" ]]
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}
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is_function() {
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[[ $(type $1 2> /dev/null) ]] && echo $1 is a function
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}
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filename() {
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# passed entire path
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echo $(basename "$1" | rev | cut -f 2- -d '.' | rev)
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}
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fileext() {
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# passed entire path
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echo $1 | awk -F . '{print $NF}'
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}
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# // TODO remove and use path module
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# // must change acl.lib and loginout, chromium, and ungoogled install files
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adirname() {
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# passed entire path
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echo "$(cd "$(dirname "$1")" >/dev/null 2>&1 ; pwd -P )"
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}
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user_exists() {
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id -u $1 > /dev/null 2>&1
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[[ $? == 1 ]] || echo $1
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}
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chmod_dirs() {
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# passed entire path
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local usesudo
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[[ $1 == -s ]] && usesudo="sudo" && shift 2
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$usesudo find $1 -type f -exec chmod $2 {} +
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}
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parse_option () {
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# usage: parse_option -f "-b one -p 22 -F another" -p
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# if -f is used then it will return the complete option
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# otherwise just the options value
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local opts;local f;local opt; local ret
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[[ $1 = "-f" ]] && { f=true;shift 1; }
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[[ ! $# -eq 2 ]] && return 1
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opts=$1
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opt=$2
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# echo $opts, $opt
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[[ ! $opts =~ $opt ]] && return 1
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ret=$(sed -n '/^.*'"$opt"'\s\+\(\w\+\).*$/s//\1/p' <<< $opts)
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[[ $f ]] && echo "$2 $ret" || echo $ret
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}
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# TODO: need to pass two arrays and then pass them back, see -r ret in ssh for example
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# parse_extra_args () {
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# if [[ ! $* =~ "--" ]]; then
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# debug $( ( IFS=$','; echo all arguments: "$*" ) )
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# for ((d=1; d<$#; ++d)); do
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# [[ ${!d} == "--" ]] && break
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# done
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# if [[ $d -lt $# ]]; then # if there are extra ssh arguments
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# debug found -- at $d
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# opts=("${@:$d+1:$#}")
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# debug $( ( IFS=$','; echo "ssh arguments: ${opts[*]}" ) )
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# # [[ ! ${sshargs[0]} ]] && { echo missing remote machine, must provide at least a hostname, -- hostname; return 3; }
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# ropts=("${@:1:$d-1}")
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# debug $( ( IFS=$','; echo "remaining arguments to parse: ${ropts[*]}" ) )
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# fi
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# fi
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# }
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remove_empty_lines () {
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if [[ -f $1 ]]; then cat $1; else echo "$1"; fi | sed -n '/^\s*$/!p'
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# sed -rz 's/^\n+//; s/\n+$/\n/g'
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}
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remote_args () {
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local rargs
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for i; do rargs="$rargs $(sed 's/ /\\ /g' <<< $i)"; done
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echo $rargs
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}
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remove_end_spaces () {
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del=${2:-\'}
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# echo delimiter: $del
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# sed -e 's/[[:space:]]\{1,\}$del/$del/' <<< "$1"
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res=$(sed -e 's/^$del[[:space:]]*/$del/' <<< "$1")
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sed -e 's/[[:space:]]*${del}$/$del/' <<< "$res"
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}
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# pass any sed ' ' string and comments lines will be ignored
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# https://unix.stackexchange.com/a/301432/201387
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# https://stackoverflow.com/a/35874420/4695378
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sed_ignore_comments () {
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cmd="sed -r 'h;s/[^#]*//1;x;s/#.*//;${1};G;s/(.*)\n/\1/'"
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if (( $# == 2 )) ; then
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eval $cmd <<< "$2"
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else
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eval $cmd < /dev/stdin
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fi
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}
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compact_file () {
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# removes trailing spaces, blank lines and comments
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# echo -e "$1"
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# grep -v '^\s*#' $1
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[[ -f $1 ]] && sed -i -e '/^\s*#/d' -e '/^\s*$/d' "$1"
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# if [[ -f "$1" ]]; then cat "$1"; else echo -e "$@"; fi | sed 's/\\s*$//g' | sed -r '/^\s*$/d' | grep -v '^\s*#'
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}
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mkrfilename () {
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echo ${2:-/tmp/}${1:-file}.$RANDOM
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}
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sshtest () {
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echo running on machine: $(hostnamectl hostname)
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echo as user:home $(whoami):$HOME
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echo argument1 $1
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echo argument2 $2
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echo remaining arguments: "${@:3}"
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echo home directory listing
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ls -la ~
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}
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#rows between matched rows
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# sed '1,/firstmatch/d;/secondmatch/,$d'
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# this will escape ' for all lines having sed
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# sed -i '/sed/s/\x27/\\'"'"'/g' $tmp_file |