My favorite shell functions.

myrc

# . <(curl -L http://goo.gl/pdDKD)

# e.g.: jked /etc/hosts:3:
function jked {
     file=`echo "$@" | sed 's/[:]/ /g' | awk '{print $1}'`
     n=`echo "$@" | sed 's/[:]/ /g' | awk '{print $2}'`
     if echo "$n" | grep '^[0-9]*$'; then
          vi "$file" +"$n"
     else
          vi "$file"
     fi
}

# e.g.: find | xargs grep -n \\\.func\( | jkspre class def
function jkspre {
    while read i; do
        if echo "$i" | egrep -q '^[^ ].*:[0-9]+:'; then
            filepath=$(echo $i | cut -d\: -f1)
            lineno=$(echo $i | cut -d\: -f2)
        elif echo "$i" | egrep -q '^[^ ].*\-[0-9]+\-'; then
            filepath=$(echo $i | cut -d- -f1)
            lineno=$(echo $i | cut -d- -f2)
        fi
        bylineno=$(
            cat <<EOF | ed $filepath 2>&1 | tail -n 1 | perl -pe 's/^(\d+).*/$1/'
$lineno
?${1}
n
EOF
        )
        if [ $bylineno -lt $lineno ]; then
            cat <<EOF | ed -s $filepath | perl -pe 's/^(\d+)(.*)/'$(echo $filepath | perl -pe 's/\//\\\//g')':$1:$2/' | perl -pe 's/\t//'
${bylineno}n
EOF
        fi
    done
}

# e.g.: find | xargs grep -n FIXME | jksnext def
function jksnext {
    while read i; do
        if echo "$i" | grep -q -E ':[0-9]+:'; then
            filepath=$(echo $i | cut -d\: -f1)
            lineno=$(echo $i | cut -d\: -f2)
        elif echo "$i" | grep -q -E '\-[0-9]+\-'; then
            filepath=$(echo $i | cut -d- -f1)
            lineno=$(echo $i | cut -d- -f2)
        fi
        bylineno=$(
            cat <<EOF | ed $filepath 2>&1 | tail -n 1 | perl -pe 's/^(\d+).*/$1/'
$lineno
/${1}
n
EOF
        )
        if [ $bylineno -gt $lineno ]; then
            cat <<EOF | ed -s $filepath | perl -pe 's/^(\d+)(.*)/'$(echo $filepath | perl -pe 's/\//\\\//g')':$1:$2/' | perl -pe 's/\t//'
${bylineno}n
EOF
        fi
    done
}

# e.g.: find . -type f | xargs grep -Hn 'def pattern_*' | jksn '^end' -1
function jksn {
    while read i; do
        if echo "$i" | grep -q -E ':[0-9]+:'; then
            filepath=$(echo $i | cut -d\: -f1)
            lineno=$(echo $i | cut -d\: -f2)
        elif echo "$i" | grep -q -E '\-[0-9]+\-'; then
            filepath=$(echo $i | cut -d- -f1)
            lineno=$(echo $i | cut -d- -f2)
        fi
        bylineno=$(
            cat <<EOF | ed $filepath 2>&1 | tail -n 1 | perl -pe 's/^(\d+).*/$1/'
$lineno
/${1}
n
EOF
        )
        if [ "$2" = "-1" ]; then
            bylineno=$(expr $bylineno - 1)
        fi
        if [ $bylineno -ge $lineno ]; then
            cat <<EOF | ed -s $filepath | perl -pe 's/^(\d+)(.*)/'$(echo $filepath | perl -pe 's/\//\\\//g')':$1:$2/' | perl -pe 's/\t//'
${lineno},${bylineno}n
EOF
        else
            cat <<EOF | ed -s $filepath | perl -pe 's/^(\d+)(.*)/'$(echo $filepath | perl -pe 's/\//\\\//g')':$1:$2/' | perl -pe 's/\t//'
${lineno},\$n
EOF
        fi
    done
}

# e.g.: cat foo | jkindent 2
function jkindent {
        n=${1:-2}
        m=$(echo $n | sed 's/-//g')
        s=$(for i in `seq 1 $m`; do echo -n ' '; done)
        if [ $n -lt 0 ]; then
                cat | expand | sed "s/^$s//"
        elif [ $n -gt 0 ]; then
                cat | expand | sed "s/^/$s/"
        fi
}