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: / bin /

Filename : sensible-pager

back

#!/bin/sh
# Copyright 2007 Jari Aalto; Released under GNU GPL v2 or any later version

# Prevent recursive loops, where these values are set to this script
p="$(command -v "$0")"
[ -n "$PAGER" ] && [ "$(command -v "$PAGER" || true)" = "$p" ] && PAGER=

IsError()
{
	# Operating system command not found
	[ "$1" -ne 126 ] && [ $1 -ne 127 ]
}

Run()
{
	"$@"
	ret=$?
	IsError "$ret"
}

Run ${PAGER:-pager} "$@" ||
Run more "$@" ||
{
		echo "Couldn't find a pager!" 1>&2
		echo "Set the \$PAGER environment variable to your desired pager." 1>&2
		exit 1;
}
exit "$ret"