#!/bin/sh

# Is the same as rmContainsAny, except that it:
# Deletes all files in the current directory that contain ALL of the patterns passed as command line arguments.

# WARNING: be careful that you do not accidentally delete your work! Avoid this by making hardlinks to your files from another directory.
# If no arguments are given, display program usage and exit with status 3
# Deletes all files in the current directory that contain ANY of the patterns passed as command line arguments.
# Filenames may contain spaces, and patterns may contain spaces.
# Display a message as each file is deleted.
# If no files match, exit with status 1
# If a file cannot be deleted, exit with status 2
# Otherwise exit with status 0

files=""
exitValue=0

if [ $# -eq 0 ]; then
    echo "Usage: enter regex as a string, separated by spaces. compound regex with \"\"."
    exitValue=3
else
    #ls -1 doesnt seem to work here because strings apparently don't support newlines. I'm sure there's some good reason for that, but it's pretty dumb for everything I'm trying to do.
    found=`ls -1 --file-type`
    for regex in "$@"; do
        #cut the values out of found
        files=$(for file in `echo "$found"`; do
            echo $file | grep $regex;
        done)
        found=$files
    done
    files=$found

    if [ -z "$files" ]; then
        exitValue=1
    else
        #sort the file list and uniq it
        for value in `echo "$files"`; do
            echo $value
        done | sort -u | while read line; do
            #and then do whatever we want with it
            rm $line && \
            echo "deleting $line" || \
            exitValue=2
        done
    fi
fi

exit $exitValue