tmux-fzf-copy-pattern

#!/bin/bash
# extract URLs from current tmux pane, select one via fzf and copy it into
# clipboard

# exec &> /tmp/x
# date
# set -x
# echo $PATH

set -e
set -u
set -o pipefail

if [[ -z ${TMUX} ]]; then
    echo "Error: tmux isn't running." 1>&2
    exit 1
fi

if [[ $# -ge 1 ]] && ([[ $1 == "-f" ]] || [[ $1 == "-F" ]]); then
    # capture everything in this pane instead of only the visible part
    # -S -
    prompt='Copy filename'
    cmd=(xsel -i)
    if [[ $1 == "-F" ]]; then
        prompt='Paste filename'
        cmd=(tmux load-buffer -)
    fi
    set +e
    (tmux capture-pane && tmux save-buffer - | xfiles -o | xurls -v | sort | uniq | dmenu -i -l 10 -p "${prompt}" | perl -pe 'chomp if eof' | "${cmd[@]}") 2>/dev/null
    if [[ $? -eq 0 ]] && [[ $1 == "-F" ]]; then
        tmux paste-buffer
    fi
    set -e
elif [[ $# -ge 1 ]] && ([[ $1 == "-u" ]] || [[ $1 == "-U" ]]); then
    prompt='Copy URL'
    cmd=(xsel -i)
    if [[ $1 == "-U" ]]; then
        prompt='Open URL'
        cmd=(xargs -r x-www-browser)
    fi
    (tmux capture-pane && tmux save-buffer - | xurls -o | sort | uniq | dmenu -i -l 10 -p "${prompt}" | perl -pe 'chomp if eof' | "${cmd[@]}") &>/dev/null || true
elif [[ $# -ge 1 ]] && ([[ $1 == "-l" ]] || [[ $1 == "-L" ]]); then
    prompt='Copy line'
    cmd=(xsel -i)
    if [[ $1 == "-L" ]]; then
        prompt='Paste line'
        cmd=(tmux load-buffer -)
    fi
    set +e
    (tmux capture-pane && tmux save-buffer - | grep -v '^$' | tac | dmenu -i -l 10 -p "${prompt}" | perl -pe 'chomp if eof' | "${cmd[@]}") 2>/dev/null
    if [[ $? -eq 0 ]] && [[ $1 == "-L" ]]; then
        tmux paste-buffer
    fi
    set -e
fi