#!/bin/bash
# w3m: written by Wren Linux extras/w3m.sh
# w3m with cookies only while it is open: the cookies w3m keeps between runs
# (~/.w3m/cookie) are deleted when it starts and when it ends, also when its
# terminal is closed, so no site recognises you the next time. Logins work
# while it runs. w3m -no-cookie (none at all) and -cookie still work for a run.
# The real w3m is the next one on your PATH after this one (/usr/bin/w3m).
set -u
cookies=${W3M_DIR:-$HOME/.w3m}/cookie
forget() { rm -f -- "$cookies"; }

self=$(readlink -f -- "${BASH_SOURCE[0]}")
real=
IFS=: read -ra dirs <<<"${PATH:-}"
for d in "${dirs[@]}"; do
    [ -n "$d" ] && [ -x "$d/w3m" ] || continue
    [ "$(readlink -f -- "$d/w3m")" != "$self" ] || continue
    real=$d/w3m
    break
done
[ -n "$real" ] || { echo "w3m isn't installed: wrenctl install w3m" >&2; exit 127; }

forget
trap forget EXIT
trap 'exit 129' HUP
trap 'exit 143' TERM
# (Ctrl+C is w3m's own: it stops loading a page)
"$real" "$@"