include sf as file
This commit is contained in:
parent
0c5433a49b
commit
f109fbfcc3
4 changed files with 222 additions and 5 deletions
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@ -12,8 +12,7 @@ sfexamples+=("ffconv mp3 opus;Convert all mp3 files to opus")
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sfexamples+=("ffconv -m trash mp4 mkv;Convert all mp4 to mkv and move the original ones to './trash'")
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sfexamples+=("ffconv -d ~/music -l wma mp3;List all wma files from '~/music' and ask for converting them to mp3")
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# sf -- script framework (https://github.com/Deleh/sf)
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sftrs=$'\e[0m';sftbf=$'\e[1m';sftdim=$'\e[2m';sftul=$'\e[4m';sftblink=$'\e[5m';sftinv=$'\e[7m';sfthide=$'\e[8m';sftclr=$'\e[1A\e[K';sftk=$'\e[30m';sftr=$'\e[31m';sftg=$'\e[32m';sfty=$'\e[33m';sftb=$'\e[34m';sftm=$'\e[35m';sftc=$'\e[36m';sftw=$'\e[97m';function sferr { echo "${sftbf}${sftr}ERROR${sftrs} $1";[ -z "$2" ]&&exit 1;};function sfwarn { echo "${sftbf}${sfty}WARNING${sftrs} $1";};function sfask { if [ "$2" == "" ];then read -p "$1? [${sftbf}Y${sftrs}/${sftbf}n${sftrs}] " sfin;[[ "$sfin" =~ y|Y|^$ ]]&&sfin=true||sfin=false;else read -p "$1? [${sftbf}y${sftrs}/${sftbf}N${sftrs}] " sfin;[[ "$sfin" =~ n|N|^$ ]]&&sfin=false||sfin=true;fi;};function sfget { [ "$2" != "" ]&&read -p "$1 [${sftbf}$2${sftrs}]: " sfin||read -p "$1: " sfin;[ "$sfin" == "" ]&&[ "$2" != "" ]&&sfin="$2";};function _sferr { echo "${sftbf}${sftr}SF PARSE ERROR${sftrs} $1";exit 1;};OLDIFS=$IFS;IFS=";";_sfphead="";_sfpdesc="";_sfodesc="";_sfexamples="";_sfpargs=();declare -A _sfflags;declare -A _sfargs;for a in "${sfargs[@]}";do _sfsubst=${a//";"};_sfcount="$(((${#a} - ${#_sfsubst})))";if [ $_sfcount -eq 1 ];then read -r -a _sfparsearr<<<"${a}";_sfpargs+=("${_sfparsearr[0]}");_sfphead="$_sfphead ${_sfparsearr[0]}";_sfpdesc="$_sfpdesc ${_sfparsearr[0]};${_sfparsearr[1]}\n";elif [ $_sfcount -eq 2 ];then read -r -a _sfparsearr<<<"${a}";_sfflags["-${_sfparsearr[1]}"]="${_sfparsearr[0]}";_sfflags["--${_sfparsearr[0]}"]="${_sfparsearr[0]}";declare ${_sfparsearr[0]}=false;_sfodesc="$_sfodesc -${_sfparsearr[1]}, --${_sfparsearr[0]};${_sfparsearr[2]}\n";elif [ $_sfcount -eq 4 ];then read -r -a _sfparsearr<<<"${a}";_sfargs["-${_sfparsearr[1]}"]="${_sfparsearr[0]}";_sfargs["--${_sfparsearr[0]}"]="${_sfparsearr[0]}";declare ${_sfparsearr[0]}="${_sfparsearr[3]}";_sfodesc="$_sfodesc -${_sfparsearr[1]}, --${_sfparsearr[0]} ${_sfparsearr[2]};${_sfparsearr[4]} (default: ${_sfparsearr[3]})\n";else _sferr "Wrong argument declaration: $a";fi;done;for e in "${sfexamples[@]}";do _sfsubst=${e//";"};_sfcount="$(((${#e} - ${#_sfsubst})))";if [ $_sfcount -eq 1 ];then read -r -a _sfparsearr<<<"${e}";_sfexamples="$_sfexamples ${_sfparsearr[0]};${_sfparsearr[1]}\n";else _sferr "Wrong example declaration: $e";fi;done;IFS=$OLDIFS;function _sfusage { echo -n "Usage: $(basename $0)";[ "$_sfodesc" != "" ]&&echo -n " [OPTIONS]";echo -e "$_sfphead";[ ! -z ${sfdesc+x} ]&&echo -e "\n$sfdesc";if [ "$_sfpdesc" != "" ];then echo -e "\nPOSITIONAL ARGUMENTS";echo -e "$_sfpdesc"|column -c 80 -s ";" -t -W 2;fi;if [ "$_sfodesc" != "" ];then echo -e "\nOPTIONS";echo -e "$_sfodesc"|column -c 80 -s ";" -t -W 2;fi;if [ "$_sfexamples" != "" ];then echo -e "\nEXAMPLES";echo -e "$_sfexamples"|column -c 80 -s ";" -t -W 2;fi;if [ ! -z ${sfextra+x} ];then echo -e "\n$sfextra";fi;exit 0;};for a in "$@";do [ "$a" == "-h" ]||[ "$a" == "--help" ]&&_sfusage;done;while(("$#"));do if [ ! -z ${_sfflags["$1"]} ];then declare ${_sfflags["$1"]}=true;elif [ ! -z ${_sfargs["$1"]} ];then if [ -n "$2" ]&&[ "${2:0:1}" != "-" ];then declare ${_sfargs["$1"]}="$2";shift;else sferr "Argument for '$1' missing";fi;else if [ "${1:0:1}" == "-" ];then sferr "Unsupported argument: $1";else if [ "${#_sfpargs[@]}" != 0 ];then declare ${_sfpargs[0]}="$1";_sfpargs=("${_sfpargs[@]:1}");else sferr "Too many positional arguments";fi;fi;fi;shift;done;if [ ${#_sfpargs[@]} != 0 ];then for p in "${_sfpargs[@]}";do sferr "Positional argument '$p' missing" 0;done;exit 1;fi;unset a e _sfphead _sfpdesc _sfodesc _sfexamples _sfpargs _sfflags _sfargs _sferr _sfusage
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source "$(dirname $0)/../lib/sf"
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# Handle default directory
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[ "$directory" == "current work directory" ] && directory="."
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@ -1,6 +1,6 @@
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#!/usr/bin/env bash
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# sf variables
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# sf
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sfdesc="Extract a part of a file."
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sfargs+=("FILE;File which will be cutted")
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sfargs+=("from;f;TIMESTAMP/SECONDS;0;Extract from TIMESTAMP/SECONDS")
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@ -9,8 +9,7 @@ sfargs+=("to;t;TIMESTAMP/DURATION;end;Extract to TIMESTAMP/DURATION")
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sfexamples+=("ffcut -t 5 video.mp4 -o cut.webm;Extract the first five seconds of 'video.mp4' to 'cut.webm'")
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sfexamples+=("ffcut -f 00:10:30 -t 00:14:15 video.mp4;Extract the part from 00:10:30 to 00:14:15 from 'video.mp4'")
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# sf -- script framework (https://github.com/Deleh/sf)
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sftrs=$'\e[0m';sftbf=$'\e[1m';sftdim=$'\e[2m';sftul=$'\e[4m';sftblink=$'\e[5m';sftinv=$'\e[7m';sfthide=$'\e[8m';sftclr=$'\e[1A\e[K';sftk=$'\e[30m';sftr=$'\e[31m';sftg=$'\e[32m';sfty=$'\e[33m';sftb=$'\e[34m';sftm=$'\e[35m';sftc=$'\e[36m';sftw=$'\e[97m';function sferr { echo "${sftbf}${sftr}ERROR${sftrs} $1";[ -z "$2" ]&&exit 1;};function sfwarn { echo "${sftbf}${sfty}WARNING${sftrs} $1";};function sfask { if [ "$2" == "" ];then read -p "$1? [${sftbf}Y${sftrs}/${sftbf}n${sftrs}] " sfin;[[ "$sfin" =~ y|Y|^$ ]]&&sfin=true||sfin=false;else read -p "$1? [${sftbf}y${sftrs}/${sftbf}N${sftrs}] " sfin;[[ "$sfin" =~ n|N|^$ ]]&&sfin=false||sfin=true;fi;};function sfget { [ "$2" != "" ]&&read -p "$1 [${sftbf}$2${sftrs}]: " sfin||read -p "$1: " sfin;[ "$sfin" == "" ]&&[ "$2" != "" ]&&sfin="$2";};function _sferr { echo "${sftbf}${sftr}SF PARSE ERROR${sftrs} $1";exit 1;};OLDIFS=$IFS;IFS=";";_sfphead="";_sfpdesc="";_sfodesc="";_sfexamples="";_sfpargs=();declare -A _sfflags;declare -A _sfargs;for a in "${sfargs[@]}";do _sfsubst=${a//";"};_sfcount="$(((${#a} - ${#_sfsubst})))";if [ $_sfcount -eq 1 ];then read -r -a _sfparsearr<<<"${a}";_sfpargs+=("${_sfparsearr[0]}");_sfphead="$_sfphead ${_sfparsearr[0]}";_sfpdesc="$_sfpdesc ${_sfparsearr[0]};${_sfparsearr[1]}\n";elif [ $_sfcount -eq 2 ];then read -r -a _sfparsearr<<<"${a}";_sfflags["-${_sfparsearr[1]}"]="${_sfparsearr[0]}";_sfflags["--${_sfparsearr[0]}"]="${_sfparsearr[0]}";declare ${_sfparsearr[0]}=false;_sfodesc="$_sfodesc -${_sfparsearr[1]}, --${_sfparsearr[0]};${_sfparsearr[2]}\n";elif [ $_sfcount -eq 4 ];then read -r -a _sfparsearr<<<"${a}";_sfargs["-${_sfparsearr[1]}"]="${_sfparsearr[0]}";_sfargs["--${_sfparsearr[0]}"]="${_sfparsearr[0]}";declare ${_sfparsearr[0]}="${_sfparsearr[3]}";_sfodesc="$_sfodesc -${_sfparsearr[1]}, --${_sfparsearr[0]} ${_sfparsearr[2]};${_sfparsearr[4]} (default: ${_sfparsearr[3]})\n";else _sferr "Wrong argument declaration: $a";fi;done;for e in "${sfexamples[@]}";do _sfsubst=${e//";"};_sfcount="$(((${#e} - ${#_sfsubst})))";if [ $_sfcount -eq 1 ];then read -r -a _sfparsearr<<<"${e}";_sfexamples="$_sfexamples ${_sfparsearr[0]};${_sfparsearr[1]}\n";else _sferr "Wrong example declaration: $e";fi;done;IFS=$OLDIFS;function _sfusage { echo -n "Usage: $(basename $0)";[ "$_sfodesc" != "" ]&&echo -n " [OPTIONS]";echo -e "$_sfphead";[ ! -z ${sfdesc+x} ]&&echo -e "\n$sfdesc";if [ "$_sfpdesc" != "" ];then echo -e "\nPOSITIONAL ARGUMENTS";echo -e "$_sfpdesc"|column -c 80 -s ";" -t -W 2;fi;if [ "$_sfodesc" != "" ];then echo -e "\nOPTIONS";echo -e "$_sfodesc"|column -c 80 -s ";" -t -W 2;fi;if [ "$_sfexamples" != "" ];then echo -e "\nEXAMPLES";echo -e "$_sfexamples"|column -c 80 -s ";" -t -W 2;fi;if [ ! -z ${sfextra+x} ];then echo -e "\n$sfextra";fi;exit 0;};for a in "$@";do [ "$a" == "-h" ]||[ "$a" == "--help" ]&&_sfusage;done;while(("$#"));do if [ ! -z ${_sfflags["$1"]} ];then declare ${_sfflags["$1"]}=true;elif [ ! -z ${_sfargs["$1"]} ];then if [ -n "$2" ]&&[ "${2:0:1}" != "-" ];then declare ${_sfargs["$1"]}="$2";shift;else sferr "Argument for '$1' missing";fi;else if [ "${1:0:1}" == "-" ];then sferr "Unsupported argument: $1";else if [ "${#_sfpargs[@]}" != 0 ];then declare ${_sfpargs[0]}="$1";_sfpargs=("${_sfpargs[@]:1}");else sferr "Too many positional arguments";fi;fi;fi;shift;done;if [ ${#_sfpargs[@]} != 0 ];then for p in "${_sfpargs[@]}";do sferr "Positional argument '$p' missing" 0;done;exit 1;fi;unset a e _sfphead _sfpdesc _sfodesc _sfexamples _sfpargs _sfflags _sfargs _sferr _sfusage
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source "$(dirname $0)/../lib/sf"
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# Handle missing parameters
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[ "$from" == 0 ] && [ "$to" == "end" ] && sferr "Set at least '--from' or '--to'"
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@ -19,6 +19,7 @@
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'';
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installPhase = ''
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install -m 755 -D bin/ffconv $out/bin/ffconv
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install -m 644 -D lib/sf $out/lib/sf
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'';
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};
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ffcut = pkgs.stdenv.mkDerivation {
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@ -30,6 +31,7 @@
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'';
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installPhase = ''
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install -m 755 -D bin/ffcut $out/bin/ffcut
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install -m 644 -D lib/sf $out/lib/sf
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'';
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};
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};
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217
lib/sf
Normal file
217
lib/sf
Normal file
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@ -0,0 +1,217 @@
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#!/usr/bin/env bash
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# sf -- script framework (https://github.com/Deleh/sf)
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# Text formatting variables
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sftrs=$'\e[0m'
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sftbf=$'\e[1m'
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sftdim=$'\e[2m'
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sftul=$'\e[4m'
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sftblk=$'\e[5m'
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sftinv=$'\e[7m'
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sfthd=$'\e[8m'
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sftclr=$'\e[1A\e[K'
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sftk=$'\e[30m'
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sftr=$'\e[31m'
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sftg=$'\e[32m'
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sfty=$'\e[33m'
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sftb=$'\e[34m'
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sftm=$'\e[35m'
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sftc=$'\e[36m'
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sftw=$'\e[97m'
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# Public output functions
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function sferr {
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echo "${sftbf}${sftr}ERROR${sftrs} $1"
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[ -z "$2" ] && exit 1
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}
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function sfwarn {
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echo "${sftbf}${sfty}WARNING${sftrs} $1"
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}
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# Public input functions
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function sfask {
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if [ "$2" == "" ]; then
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read -p "$1? [${sftbf}Y${sftrs}/${sftbf}n${sftrs}] " sfin
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[[ "$sfin" =~ y|Y|^$ ]] && sfin=true || sfin=false
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else
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read -p "$1? [${sftbf}y${sftrs}/${sftbf}N${sftrs}] " sfin
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[[ "$sfin" =~ n|N|^$ ]] && sfin=false || sfin=true
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fi
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}
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function sfget {
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[ "$2" != "" ] && read -p "$1 [${sftbf}$2${sftrs}]: " sfin || read -p "$1: " sfin
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[ "$sfin" == "" ] && [ "$2" != "" ] && sfin="$2"
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}
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# Internal error function
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function _sferr {
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echo "${sftbf}${sftr}SF PARSE ERROR${sftrs} $1"
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exit 1
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}
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# Declare variables for parsing
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OLDIFS=$IFS
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IFS=";"
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_sfphead=""
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_sfpdesc=""
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_sfodesc=""
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_sfexamples=""
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_sfpargs=()
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declare -A _sfflags
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declare -A _sfargs
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# Parse sf arguments
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for a in "${sfargs[@]}"; do
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# Get amount of ;
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_sfsubst=${a//";"}
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_sfcount="$(((${#a} - ${#_sfsubst})))"
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if [ $_sfcount -eq 1 ]; then
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# Read positional argument declaration
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read -r -a _sfparsearr <<< "${a}"
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# Add to positional argument arry
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_sfpargs+=("${_sfparsearr[0]}")
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# Set usage header and description
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_sfphead="$_sfphead ${_sfparsearr[0]}"
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_sfpdesc="$_sfpdesc ${_sfparsearr[0]};${_sfparsearr[1]}\n"
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# Flags
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elif [ $_sfcount -eq 2 ]; then
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# Read flag declaration
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read -r -a _sfparsearr <<< "${a}"
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# Set mappings
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_sfflags["-${_sfparsearr[1]}"]="${_sfparsearr[0]}"
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_sfflags["--${_sfparsearr[0]}"]="${_sfparsearr[0]}"
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# Set default value
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declare ${_sfparsearr[0]}=false
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# Set description
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_sfodesc="$_sfodesc -${_sfparsearr[1]}, --${_sfparsearr[0]};${_sfparsearr[2]}\n"
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# Arguments
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elif [ $_sfcount -eq 4 ]; then
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# Read argument declaration
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read -r -a _sfparsearr <<< "${a}"
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# Set mappings
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_sfargs["-${_sfparsearr[1]}"]="${_sfparsearr[0]}"
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_sfargs["--${_sfparsearr[0]}"]="${_sfparsearr[0]}"
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# Set default value
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declare ${_sfparsearr[0]}="${_sfparsearr[3]}"
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# Set description
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_sfodesc="$_sfodesc -${_sfparsearr[1]}, --${_sfparsearr[0]} ${_sfparsearr[2]};${_sfparsearr[4]} (default: ${_sfparsearr[3]})\n"
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else
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_sferr "Wrong argument declaration: $a"
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fi
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done
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# Parse examples
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for e in "${sfexamples[@]}"; do
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# Get amount of ;
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_sfsubst=${e//";"}
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_sfcount="$(((${#e} - ${#_sfsubst})))"
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if [ $_sfcount -eq 1 ]; then
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# Read example
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read -r -a _sfparsearr <<< "${e}"
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_sfexamples="$_sfexamples ${_sfparsearr[0]};${_sfparsearr[1]}\n"
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else
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_sferr "Wrong example declaration: $e"
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fi
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done
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IFS=$OLDIFS
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# Usage function
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function _sfusage {
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echo -n "Usage: $(basename $0)"
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[ "$_sfodesc" != "" ] && echo -n " [OPTIONS]"
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echo -e "$_sfphead"
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[ ! -z ${sfdesc+x} ] && echo -e "\n$sfdesc"
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if [ "$_sfpdesc" != "" ]; then
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echo -e "\nPOSITIONAL ARGUMENTS"
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echo -e "$_sfpdesc" | column -c 80 -s ";" -t -W 2
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fi
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if [ "$_sfodesc" != "" ]; then
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echo -e "\nOPTIONS"
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echo -e "$_sfodesc" | column -c 80 -s ";" -t -W 2
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fi
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if [ "$_sfexamples" != "" ]; then
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echo -e "\nEXAMPLES"
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echo -e "$_sfexamples" | column -c 80 -s ";" -t -W 2
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fi
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if [ ! -z ${sfextra+x} ]; then
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echo -e "\n$sfextra"
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fi
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exit 0
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}
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# Check for help flag
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for a in "$@"; do
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# Check if help flag ist set
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[ "$a" == "-h" ] || [ "$a" == "--help" ] && _sfusage
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done
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# Parse arguments
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while (( "$#" )); do
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# Check if flag
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if [ ! -z ${_sfflags["$1"]} ]; then
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declare ${_sfflags["$1"]}=true
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# Check if argument
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elif [ ! -z ${_sfargs["$1"]} ]; then
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# Check if argument has value
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if [ -n "$2" ] && [ "${2:0:1}" != "-" ]; then
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declare ${_sfargs["$1"]}="$2"
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shift
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else
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sferr "Argument for '$1' missing"
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fi
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# Handle positional arguments and wrong arguments/flags
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else
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# Check if arg starts with -
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if [ "${1:0:1}" == "-" ]; then
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sferr "Unsupported argument: $1"
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else
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# Set positional argument
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if [ "${#_sfpargs[@]}" != 0 ]; then
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declare ${_sfpargs[0]}="$1"
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_sfpargs=("${_sfpargs[@]:1}")
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else
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sferr "Too many positional arguments"
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fi
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fi
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fi
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shift
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done
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# Check if positional arguments left
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if [ ${#_sfpargs[@]} != 0 ]; then
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for p in "${_sfpargs[@]}"; do
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sferr "Positional argument '$p' missing" 0
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done
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exit 1
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fi
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# Unset all internal variables and functions
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unset a e _sfphead _sfpdesc _sfodesc _sfexamples _sfpargs _sfflags _sfargs _sferr _sfusage
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