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#!/bin/bash | |
# usage: nbgrep 'pattern' | |
SEARCHPATH='~/work' | |
# 'jq' technique lifted with gratitude | |
# from https://gist.github.com/mlgill/5c55253a3bc84a96addf | |
# Break on newlines instead of any whitespace | |
# IPython Notebook files often have spaces in it | |
SAVEIFS=$IFS | |
IFS=$(echo -en "\n\b") | |
if ! type mdfind 2> /dev/null; then | |
# Use find from findutils | |
FILES=$(find $SEARCHPATH -name '*.ipynb') | |
else | |
# mdfind uses OSX's spotlight search, so it's almost instant | |
# generate a list of all the ipynb files in any of the directories | |
FILES=$(mdfind -onlyin $SEARCHPATH -name '.ipynb') | |
fi | |
# On the command line we get the argument to search for | |
PATTERN=$1 | |
for f in $FILES | |
do | |
# Use 'jq' to filter out only the code in input cells | |
# Then remove quoting | |
# Colorize it with pygments (give it the most color possible) | |
# And finally, search the remainder for a given pattern | |
OUTPUT=$(jq '.worksheets[].cells[] | select(.cell_type=="code") | .input[]' $f \ | |
| sed 's/^"//g;s/"$//g;s/\\n$//g;s/\\"/"/g;s/\\\\/\\/g' \ | |
| pygmentize -l python \ | |
| grep $PATTERN) | |
# If the grep matched anything, print it | |
if [ $? -eq 0 ]; then | |
echo -e "$f:\n\n$OUTPUT\n\n" | |
fi | |
done | |
IFS=$SAVEIFS |
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Thanks! I merged the changes into my gist and will update the blog post. I had been hoping to use
locatedb
if people had it as it gives spotlight-like quick searching, but this will probably be fast enough for most people.