Useful CLI tools (bash) for Arch Linux administration
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#!/bin/bash
##################################################
# Find line patterns in package files.
# Print matching file path and matching lines.
function help() {
echo -e "Usage: findinpkg <pkgname> <pattern-to-search>"
exit
}
if [[ ${#@} -ne 2 ]]; then
help
fi
if [[ ! $(pacman -Qq "${1}" 2> /dev/null) ]]; then
echo "Can't find package ${1}"
help
fi
filematches=()
lines_total=0
files_total=0
typeset -A FILEMATCHES
esc=$(printf '\033')
for file in $(pacman -Qlq "${1}"); do
if [[ -f "${file}" ]]; then
filestr=$(grep --line-number --with-filename --binary-files=without-match -i "${2}" "${file}" | sed -r "s/^(.*?:)([0-9]+):.*/\1\2/g")
# In some rare cases grepped files are presented on the same line
for filestr in ${filestr[@]}; do
filematches+=(${filestr})
done
fi
done
for filematch in ${filematches[@]}; do
filename_=$(printf '%s' "${filematch}" | sed -r 's/^(.*?):[0-9]+$/\1/')
if [[ ${FILEMATCHES[$filename_]} == "" ]]; then
lines=()
echo "Processing file: ${filename_}"
# Get all occurences
singlefile=$(echo ${filematches[@]} | grep -oE "(${filename_}:[0-9]+)" )
for occurence in ${singlefile[@]}; do
linenum=$(printf '%s' "${occurence}" | sed -r 's/^.*?:([0-9]+$)/\1/')
lines+=(${linenum})
done
FILEMATCHES+=([$filename_]="${lines[*]}")
lines_total=$(( ${lines_total} + ${#lines[@]} ))
let files_total++
fi
done
for filename in ${!FILEMATCHES[@]}; do
echo "${esc}[35m${filename}${esc}[92m: ${esc}[31m${FILEMATCHES[$filename]}${esc}[0m"
done
printf "\nFound %d matching lines for pattern '%s' in %d files in package '%s'.\n\n" ${lines_total} "${2}" ${files_total} "${1}"