shell: replay

reply.sh

#!/bin/sh

# Replay N commands from history, in sequence
# Usage:
#  replay <start command index> <number of commands to replay>
replay() {
    local A="$1"
    local N="$2"
    local end=$((A + N))
    # get current shell
    local shell="${SHELL:-/bin/sh}"
    # history output: skip first field (the number), preserve spaces
    history | awk -v start="$A" -v end="$end" '$1 >= start && $1 <= end { $1=""; print substr($0,2) }' | while read -r cmd; do
        echo "Running: $cmd"
        "$shell" -i -c "$cmd"
    done
}