keep the useful xpath.sh script

scripts.d/shell-scripts.d/xpath.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+# An interactive xpath query commandline tool.
+# Stores your previous query to reduce typing.
+
+# File for previous query
+touch .prev-xpath.tmp
+if [[ ! -e ".gitignore" ]]; then
+	echo 'xpath.sh' > .gitignore
+fi
+
+# Colored output
+GREEN='\033[0;32m'
+NC='\033[0m' # no color
+
+# Ask for canto file
+clear
+read -p "Choose a canto: [i,r,p][1-34] " CANTO
+canticle="$(echo $CANTO | tr -d -c a-z)"
+canto_num="$(echo $CANTO | tr -d -c 0-9)"
+pad_num="$(printf "%03d\n" $canto_num)"
+
+# Create complete filename
+if [[ "$canticle" == 'i' ]]; then
+	canticle='Inferno'
+	file="$pad_num-inferno-petrocchi.xml"
+	echo $file
+elif [[ "$canticle" == 'r' ]]; then
+	canticle='Purgatorio'
+	file="$pad_num-purgatorio-petrocchi.xml"
+elif [[ "$canticle" == 'p' ]]; then
+	canticle='Paradiso'
+	file="$pad_num-paradiso-petrocchi.xml"
+else
+	echo "Not a valid canto file: $file"
+fi
+
+# Start interactive query
+if [[ -e "$file" ]]; then
+	clear && echo -e "You are searching ${canticle^} ${CANTO_NUM}.\nAdd a trailing slash ${GREEN}\`/\`${NC} to your search before submitting it. The default first two search choices are ${GREEN}\`canto\`${NC} and then ${GREEN}\`terzine\`${NC}. Press ${GREEN}<enter>${NC} for those defaults and type something else to search that.\n"
+	read -p "Load previous: (Y)/n " PREV
+	case "$PREV" in
+		N|n)
+			search=''
+			;;
+		Y|y|*)
+			search="$(cat .prev-xpath.tmp)"
+			;;
+	esac
+	i='0'
+	# Start while loop for the query. Break the loop if the query ends with a slash `/`.
+	while true; do
+		read -e -i "$search" -p "$(echo -e "\nSearch: \n  "${GREEN}"===> "${NC})" nsearch
+		if [[ "${nsearch: -1}" == / ]]; then		# if last char trailing slash then search
+			path="${nsearch::-1}"			# remove trailing slash
+			echo "$path" > .prev-xpath.tmp		# store query for next time
+			# perform the search (requires `xmlstarlet` and `bat` pager)
+			xmlstarlet sel -t -v "$path" $file | batcat -l xml
+			exit
+		elif [[ "$i" == 0 ]] && [[ "$nsearch" == '' ]]; then 	# load '/TEI/text' query on first loop
+			search="_:TEI/_:text/_:"
+		elif [[ "$nsearch" == '_:TEI/_:text/_:' ]]; then			# load '/TEI/text/canto/tercets' on second loop
+			search="_:TEI/_:text/_:canto/_:tercets/_:"
+		else
+			search="${nsearch}"				# else keep search the same
+		fi
+		i=$[$i+1]
+	done	
+else
+	echo "Canto file not found. What directory are you in?"
+fi