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