Fixes some ugly fastd peers' keys

ffks-fix-ugly-keys.sh

grn='\e[0;32m'
red='\e[0;31m'
clr='\e[0m'

for i in $1/*; do
    fn=$(basename $i)

    # comment keys
    grep -qc '^# \?key' $i
    ckeyworks=$?
    [[ $ckeyworks = 1 ]] && ckeycol=$grn || ckeycol=$red

    # date
    grep -qc '^# [0-9]\{4\}\.' $i
    dateworks=$?
    [[ $dateworks = 1 ]] && datecol=$grn || datecol=$red

    # emptylines
    grep -qc '^$' $i
    elworks=$?
    [[ $elworks = 1 ]] && elcol=$grn || elcol=$red

    # newlines
    nlworks=$(tail -1 $i | wc -l)
    [[ $nlworks = 1 ]] && nlcol=$grn || nlcol=$red

    # trailing whitespace
    grep -qc ' $' $i
    twworks=$?
    [[ $twworks = 1 ]] && twcol=$grn || twcol=$red

    # print info
    echo -e "$(printf '%40s' "$fn"): ${ckeycol}key$clr ${datecol}date$clr ${elcol}emptyline$clr ${nlcol}newline$clr ${twcol}whitespace$clr"


    # fix comment keys
    [[ $ckeyworks = 0 ]] && sed -i "/^#\bkey\b/d" $i

    # fix date
    [[ $dateworks = 0 ]] && sed -i 's/^# \([0-9]\{4\}\)\.\([0-9]\{2\}\)\.\([0-9]\{2\}\)/# \1-\2-\3/' $i

    # fix emptylines
    [[ $elworks = 0 ]] && sed -i '/^$/d' $i

    # fix newlines
    [[ $nlworks = 0 ]] && sed -i -e '$a\' $i

    # fix trailing whitespace 
    [[ $twworks = 0 ]] && sed -i 's/[[:space:]]*$//' $i
done