289 lines
8.3 KiB
Bash
289 lines
8.3 KiB
Bash
#!/bin/bash
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#==========================================================
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# Simple Note System, v2.0a5
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# Copyright 2014, Xenese Labs/Sicron-Perion XNF
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#==========================================================
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if [ -z "/Users/xilmwa" ]; then HOME=/home/"$(whoami)"; fi
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PROD_STR="Simple Note System"
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VER_STR="v2.0a5"
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ROOTDIR="$HOME"/.config/sns
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BASEDIR="$ROOTDIR"/notes
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CONFIGURATION="$ROOTDIR/sns.conf"
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# Section: Functions
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function w_conf {
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if [ ! -r "$ROOTDIR" ]; then mkdir -p "$ROOTDIR"; fi
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cat > "$CONFIGURATION" << EOF
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#==========================================================
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# Simple Note System Config, v2.0a5
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# Copyright 2014, Xenese Labs/Sicron-Perion XNF
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#==========================================================
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#File extension to use (for listing notes)
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EXT=note
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#Preferred Editor
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if [ -z "$EDITOR" ]; then
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EDITOR=vim
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fi
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#Encryption
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#WARNING: ANY PREVIOUSLY UNENCRYPTED NOTES WILL BE LOST
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ENCRYPTION="FALSE"
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ENC_KEY=""
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EOF
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chmod 600 "$CONFIGURATION"
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}
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function pause {
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read -p " Press [Enter] to continue."
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echo ""
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}
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function help {
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echo ""
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echo "usage: sns [-ce] NAME NOTEBOOK SECTION"
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echo " sns [-d ] NAME NOTEBOOK SECTION"
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echo " sns [-lp] NOTEBOOK"
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echo " sns [-w ]"
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echo " sns [-h ]"
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echo ""
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echo " -c | --create : Create note"
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echo " -d | --delete : Delete note"
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echo " -e | --edit : Open note for editing"
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echo " -h | --help : Display this message"
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echo " -p | --print : Print note to console"
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echo " -l | --list : List all notes in NOTEBOOK"
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echo " -w | --wconf : Rewrite default configuration"
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echo ""
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}
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function p_header(){
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printf "TITLE: %s\nDATE: %s\n" "$NAME" "$(date)"
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}
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function encrypt(){
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openssl enc -aes-256-cbc -salt -in "$TARGET" -out "$NOTE" -pass pass:"$ENC_KEY"
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}
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function decrypt(){
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TARGET="$ROOTDIR"/tmp/"$RANDOM"
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openssl enc -d -aes-256-cbc -in "$NOTE" -pass pass:"$ENC_KEY" > "$TARGET"
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}
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function create(){
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if [ -e "$NOTE" ]; then
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printf "\nERROR: Note already exists\nHint: use -e to edit the note.\n"
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exit
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else
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mkdir -p "$NOTEDIR"
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fi
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if [ -z "$ENCRYPTION" ]; then
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echo "TITLE: $NAME" > "$NOTE"
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echo "DATE: $(date)" >> "$NOTE"
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elif [ "$ENCRYPTION" == "TRUE" ]; then
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touch "$NOTE"
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p_header | openssl enc -aes-256-cbc -salt -out "$NOTE"\
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-pass pass:"$ENC_KEY"
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fi
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if [ -e "$NOTE" ]; then
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echo "Created note: $NOTEBOOK/$SECTION/$NAME."
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fi
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}
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function delete(){
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if [ "$DELETE" == "TRUE" ]; then
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if [ -e "$NOTE" ]; then
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rm "$NOTE"
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echo ""
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echo "Deleted note: $NOTEBOOK/$SECTION/$NAME."
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exit
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else
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echo ""
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echo "ERROR: Note $NOTEBOOK/$SECTION/$NAME does not exist."
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exit
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fi
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fi
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}
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function edit(){
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if [ ! -r "$NOTE" ]; then
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echo "ERROR: Note cannot be opened for editing."
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exit 40;
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fi
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if [ "$ENCRYPTION" == "TRUE" ]; then decrypt
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else TARGET="$NOTE"; fi
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if [ -z "$CREATE" ]; then printf "\nEDIT %s" "$(date)" >> "$TARGET"; fi
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"$EDITOR" "$TARGET"
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if [ "$ENCRYPTION" == "TRUE" ]; then encrypt; fi
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}
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function print(){
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if [ "$PRINT" == "TRUE" ]; then
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if [ -r "$NOTE" ] || [ -r "${NOTE%.*}" ]; then
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if [ -z "$CREATE" ]; then
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if [ "$ENCRYPTION" == "TRUE" ]; then
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openssl enc -d -aes-256-cbc -in "${NOTE%.*}" -pass pass:"$ENC_KEY"
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else
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cat "$NOTE"
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echo "" >> "$NOTE"
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fi
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else
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echo ""
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echo "ERROR: Note cannot be found."
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echo ""
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fi
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fi
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fi
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}
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function list(){
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if [ -d "$BASEDIR"/"$NOTEBOOK" ]; then
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printf "\nNotes in %s:\n" "$(basename "$NOTEBOOK")"
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NOTES=( $(find "$BASEDIR"/"$NOTEBOOK" -name "*.$EXT" -print0 | sed s:"$BASEDIR"/"$NOTEBOOK"/: " " :g | sed -e s:".$EXT"::g | tr "/" " ") )
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let i=0
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for NOTE in "${NOTES[@]}"; do
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if [ -d "$BASEDIR"/"$NOTEBOOK"/"$NOTE" ]; then
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if [ "$LAST_SECTION" != "$NOTE" ]; then
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printf " Section: %s\n" "$NOTE"
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fi
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LAST_SECTION="$NOTE"
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else
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#if [ $(($i % 1)) -eq 0 ]; then
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# printf "\n "
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#fi
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printf " %s\n" "$NOTE"
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fi
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let i++
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done
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printf "\n"
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else
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echo ""
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echo "ERROR: Notebook $NOTEBOOK does not exist."
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echo ""
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fi
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}
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# End Section: Functions
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#==============================================================================
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# Section: Configuration
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#==============================================================================
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if [ -r "$CONFIGURATION" ]; then
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source "$CONFIGURATION"
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else
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w_conf
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source "$CONFIGURATION"
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fi
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if [ "$ENCRYPTION" == "TRUE" ]; then
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if [ -z "$ENC_KEY" ]; then
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ERR_NO_KEY="TRUE"
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ENCRYPTION="FALSE"
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fi
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command -v openssl >/dev/null 2>&1 || { ERR_NO_SSL="TRUE"; ENCRYPTION="FALSE"; }
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fi
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if [ "$ENCRYPTION" == "TRUE" ]; then
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PROD_STR="Simple Note System (Encryption Enabled)"
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EXT="$EXT"
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if [ ! -d "$BASEDIR"/tmp ]; then
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mkdir -p "$BASEDIR"/tmp
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fi
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fi
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echo "$PROD_STR, $VER_STR"
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if [ -n "$ERR_NO_SSL" ]; then
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echo >&2 " Warning: OpenSSL not installed. Encryption disabled."
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fi
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if [ -n "$ERR_NO_KEY" ]; then
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echo " Warning: No encryption key was provided. Encryption disabled."
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fi
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if [ -n "$ERR_NO_SSL" ] || [ -n "$ERR_NO_KEY" ]; then
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pause
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fi
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#==============================================================================
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# End Section: Configuration
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#==============================================================================
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#==============================================================================
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# Section: Argument Parsing
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#==============================================================================
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NAME=""
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NOTEBOOK=""
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SECTION=""
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if [ -z "$1" ]; then help; exit 20
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else
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ARGS=( "$@" )
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for ARG in "${ARGS[@]}"; do
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if [ "$ARG" = "-c" ] || [ "$ARG" = "--create" ]; then CREATE="TRUE"
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elif [ "$ARG" = "-d" ] || [ "$ARG" = "--delete" ]; then DELETE="TRUE"
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elif [ "$ARG" = "-e" ] || [ "$ARG" = "--edit" ]; then EDIT="TRUE"
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elif [ "$ARG" = "-ce" ] || [ "$ARG" = "-ec" ]; then EDIT="TRUE"; CREATE="TRUE"
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elif [ "$ARG" = "-p" ] || [ "$ARG" = "--print" ]; then PRINT="TRUE"
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elif [ "$ARG" = "-l" ] || [ "$ARG" = "--list" ]; then LIST="TRUE"
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elif [ "$ARG" = "-h" ] || [ "$ARG" == "--help" ]; then help; exit 0
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elif [ "$ARG" = "-w" ] || [ "$ARG" == "--wconf" ]; then w_conf; exit 0
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else
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if [ -z "$NAME" ] && [ -n "$ARG" ]; then NAME="$ARG"
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elif [ -z "$NOTEBOOK" ] && [ -n "$ARG" ]; then NOTEBOOK="$ARG"
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elif [ -z "$SECTION" ] && [ -n "$ARG" ]; then SECTION="$ARG"
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fi
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fi
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done
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if [ -n "$NAME" ] && [ -z "$NOTEBOOK" ] && [ -n "$LIST" ]; then
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# If we got a note title above, but no notebook, and the list option
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# was specified, we assume that the detected note title is actually a
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# notebook name.
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NOTEBOOK="$NAME"
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NAME=""
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fi
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fi
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# Note: w_conf and help have highest priority, as they are the only functions
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# that can work without any arguments.
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#==============================================================================
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# End Section: Argument Parsing
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#==============================================================================
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# Help requires no arguments, and is exclusive.
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if [ -n "$HELP" ]; then help; exit 0; fi
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# List only requires a notebook, and is exclusive.
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if [ -z "$NOTEBOOK" ]; then
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echo " ERROR: Insufficient arguments:"
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echo " Notebook not specified"
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exit 30
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fi
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if [ -n "$LIST" ]; then
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list
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exit 0
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fi
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#All other functions require a note title and notebook.
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if [ -z "$NAME" ]; then
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echo " ERROR: Insufficient arguments:"
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echo " Title not specified"
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exit 30
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fi
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NOTEDIR="$BASEDIR"/"$NOTEBOOK"/"$SECTION"/
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NOTE="$NOTEDIR""$NAME"."$EXT"
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if [ "$ENCRYPTION" == "TRUE" ]; then NOTE="$NOTE".enc; fi
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if [ "$PRINT" == "TRUE" ]; then print; exit 0; fi
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if [ "$DELETE" == "TRUE" ]; then delete; exit 0; fi
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if [ "$CREATE" == "TRUE" ]; then create; fi
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if [ "$EDIT" == "TRUE" ]; then edit; fi |