96 lines
1.6 KiB
Bash
96 lines
1.6 KiB
Bash
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#!/bin/bash
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source $(dirname $0)/io.sh || exit 255
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########################################################
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# Little handy helpers for scripting
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########################################################
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# convert relative path $1 to full one
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abspath() {
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echo $(realpath -q "${1/#\~/$HOME}")
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}
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# check if path $1 is writable
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is_writable() {
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[ -w "$(abspath $1)" ]
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}
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# check if path $1 is a directory
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is_dir() {
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[ -d "$(abspath $1)" ]
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}
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# check if path $1 is a file
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is_file() {
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[ -f "$(abspath $1)" ]
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}
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# check if an argument is a shell function
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is_function() {
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declare -F "$1" > /dev/null
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}
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# check if string $1 matches regex $2
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regex_match() {
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printf "%s" "$1" | grep -qP "$2"
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}
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# check if array $2 contains string $1
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in_array() {
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local find=$1
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shift
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for e in "$@"; do
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[[ "$e" == "$find" ]] && return 0
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done
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return 1
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}
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# join all elements of array $2 with delimiter $1
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implode() {
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local d=${1-}
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local f=${2-}
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if shift 2; then
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printf %s "$f" "${@/#/$d}"
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fi
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}
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# open url $1 in system web-browser
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open_url() {
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if which xdg-open > /dev/null; then
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xdg-open "$1" </dev/null >/dev/null 2>&1 & disown
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elif which gnome-open > /dev/null; then
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gnome-open "$1" </dev/null >/dev/null 2>&1 & disown
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fi
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}
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# unpack .tar.gz file $1 into path $2
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unpack_targz() {
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require tar
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tar -xzf "$1" -C "$2"
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}
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# make soft symbolic link of path $1 to path $2
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symlink() {
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ln -sf "$1" "$2"
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}
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# download file $1 into path $2 using wget
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download() {
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require wget
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wget "$1" -O "$2"
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}
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