Let's replace f-words with blyat!

ayy.sh

#!/bin/bash

# Ayy blyat!
# Replace all f-words with "blyat".

# set -x;

declare -A WORDS;
WORDS=( ["fuck"]="blyat"
        ["fucK"]="blyaT"
        ["fuCK"]="blyAT"
        ["fuCk"]="blyAt"
        ["fUCK"]="bLYAT"
        ["fUCk"]="bLYAt"
        ["fUck"]="bLYat"
        ["fUcK"]="bLYaT"
        ["FUCK"]="BLYAT"
        ["FUCk"]="BLYAt"
        ["FUck"]="BLYat"
        ["FUcK"]="BLYaT"
        ["FuCK"]="BlyAT"
        ["FuCk"]="BlyAt"
        ["Fuck"]="Blyat"
        ["FucK"]="BlyaT"
      )

TMPDIR="/tmp/blyat";

# Usage info
if [ $# -lt 1 ]; then
        echo ">>> No path given, quitting..."
        echo ">>> Usage: ayy.sh <path1> [path2] [path3]"
        exit 0;
else
        echo ">>> Ayy!"
fi

# Generate sed pattern
PATTERN=""
for word in "${!WORDS[@]}"; do
        PATTERN="$PATTERN s/$word/${WORDS[$word]}/g;"
done
echo ">>> sed pattern generated: $PATTERN"

# Create temp directory
if [ ! -d $TMPDIR ]; then
        echo ">>> Creating temp directory...";
        mkdir $TMPDIR;
fi

# Ayy
echo ">>> Start!"
for path in $@; do
        if [ -e $path ]; then
                echo ">>> Ayy $path";
                BASENAME=$(basename $path);
                REALPATH=$(realpath $path);
                cp -R $REALPATH $TMPDIR/;
                find $TMPDIR/$BASENAME -type f -exec sed -i -e "$PATTERN" {} \;;
                pushd $TMPDIR > /dev/null;
                ln -s $REALPATH $TMPDIR/$BASENAME-orig;
                echo "# Generated by ayy.sh" > $BASENAME.patch;
                diff -Naur $BASENAME-orig $BASENAME >> $BASENAME.patch;
                unlink $BASENAME-orig;
                popd > /dev/null;
                cp -v $TMPDIR/$BASENAME.patch .;
        else
                echo ">>> $path not exsist, skipping..."
        fi
done

# Clean up
echo ">>> Cleaning...";
rm -Rf $TMPDIR;

exit 0;