#!/bin/sh
# Copyright 2007 Jari Aalto; Released under GNU GPL v2 or any later version
PATH="$PATH:/usr/share/sensible-utils/bin"
# Prevent recursive loops, where these values are set to this script
program="$(realpath "$(command -v "$0")")"
TryEnv()
{
# global $candidate
[ -z "$candidate" ] && return
# Prevent recursive loops, where environment variables are set to this script
[ x$(realpath "$(command -v "$candidate" || true)" || true) = x"$program" ] && return
# interpret like environ (7) man page. Do not use eval in order to not leak variables
sh -c "$candidate \"\$@\"" PAGER "$@"
ret=$?
# Operating system command not found
[ "$ret" -ne 126 ] && [ "$ret" -ne 127 ] && exit "$ret"
}
for candidate in "$PAGER" "$SENSIBLE_PAGER" pager more; do
TryEnv "$@"
done
echo "Couldn't find a pager!" 1>&2
echo 'Set the $PAGER environment variable to your desired pager.'
exit 1
Mini Shell