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coryodaniel/find-no-match.sh

Created August 28, 2020 17:45
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Shell script to find "no match of right hand side" in elixir
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find-no-match.sh
#! /usr/bin/env bash
# This uses the silver searcher (ag)
TMP_FILE=$(mktemp)
# find :ok tuples w/ no error match
ag "^\s{0,}\{:ok.*\s=" --ignore 'test' -G '.ex$' . > ${TMP_FILE}
# find :ok left side matches w/ no error handling
ag "^\s{0,}:ok.*=" --ignore 'test' -G '.ex$' . >> ${TMP_FILE}
# Scrub matches in list expressions and cases
cat ${TMP_FILE} | grep -ve '->' | grep -ve '<-'
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