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#!/usr/bin/env bash
#
# Script name: dm-man
# Description: Search for a manpage or get a random one.
# Dependencies: dmenu, fzf, rofi, alacritty (edit DMTERM in dmscripts config if using another terminal)
# GitLab: https://www.gitlab.com/dwt1/dmscripts
# License: https://www.gitlab.com/dwt1/dmscripts/LICENSE
# Contributors: Derek Taylor
# Simon Ingelsson
# Set with the flags "-e", "-u","-o pipefail" cause the script to fail
# if certain things happen, which is a good thing. Otherwise, we can
# get hidden bugs that are hard to discover.
set -euo pipefail
# shellcheck disable=SC1091
source ./_dm-helper.sh 2>/dev/null || source _dm-helper.sh 2>/dev/null
source_dmscripts_configs
if configs_are_different; then
echo "$(date): configs are different" >>"$DM_CONFIG_DIFF_LOGFILE"
sleep 1
fi
main() {
# An array of options to choose.
local _options=("Search manpages" "Random manpage" "Quit")
# Piping the above array into dmenu.
# We use "printf '%s\n'" to format the array one item to a line.
choice=$(printf '%s\n' "${_options[@]}" | ${MENU} 'Manpages:')
# What to do when/if we choose one of the options.
case "$choice" in
'Search manpages')
# shellcheck disable=SC2086
man -k . | awk '{$3="-"; print $0}' \
| ${MENU} 'Search for:' \
| awk '{print $2, $1}' | tr -d '()' | xargs $DMTERM man
;;
'Random manpage')
# shellcheck disable=SC2086
man -k . | cut -d' ' -f1 | shuf -n 1 \
| ${MENU} 'Random manpage:' | xargs $DMTERM man
;;
'Quit')
echo "Program terminated." && exit 0
;;
*)
exit 0
;;
esac
}
MENU="$(get_menu_program "$@")"
[[ "${BASH_SOURCE[0]}" == "${0}" ]] && main
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