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Filename : sensible-pager
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#!/bin/sh
# Copyright 2007 Jari Aalto; Released under GNU GPL v2 or any later version

# Prevent recursive loops, where environment variables are set to this script
[ -n "$__SENSIBLE_PAGER" ] && exit 126
__SENSIBLE_PAGER="$0"
export __SENSIBLE_PAGER

Try()
{
    [ -z "$__sensible_candidate" ] && return
    eval "$__sensible_candidate \"\$@\""; ret=$?
    # 127=ENOENT, 126=couldn't exec for another reason
    [ "$ret" -ne 126 ] && [ "$ret" -ne 127 ] && exit "$ret"
    unset ret
}

# shellcheck disable=SC2153
for __sensible_candidate in "$PAGER" "$SENSIBLE_PAGER" pager more; do
    Try "$@"
done


command -v gettext > /dev/null || alias gettext='printf %s'
# shellcheck disable=SC2016
TEXTDOMAIN=sensible-utils gettext 'Couldn'\''t find a pager!
Set the $PAGER environment variable to your desired pager.
' >&2
exit 1