remove half-baked seq(1)
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parent
05954076d2
commit
e788eec085
52
bin/seq
52
bin/seq
@ -1,52 +0,0 @@
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#!/bin/sh
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# There are many bugs and limitations with this implementation as opposed to
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# others, particularly NetBSD's. This should probably be rewritten in C.
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argv0="$0"
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doublecheck() {
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! str isdigit "$1" \
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&& printf "%s: %s: Not an unsigned integer.\n" \
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"$argv0" "$1" 1>&2 \
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&& exit 1 \
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|| return 0
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}
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error() {
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printf "%s: Internal error.\n"
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"$argv0" 1>&2
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exit 1
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}
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usage() {
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printf "\
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Usage:
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%s [last]
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%s [first] [last]
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%s [first] [increment] [last]
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" "$argv0" "$argv0" "$argv0" 1>&2
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exit 1
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}
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test -n "$1" && test -z "$4" || usage
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test -n "$3" && doublecheck "$3"
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test -n "$2" && doublecheck "$2"
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test -n "$1" && doublecheck "$1"
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# all args are guaranteed to be positive integers; no need to quote variables
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if test -n "$3"; then first=$1; increment=$2; last=$3
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elif test -n "$2"; then first=$1; increment=1; last=$2
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else first=1; increment=1; last=$1
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fi
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i=$first
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while true; do
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printf "%s\n" $i
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i=$(printf "%s %s + p\n" $i $increment | dc)
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printf "%s %s - p\n" $last $i | dc | grep '\-' >/dev/null 2>&1 \
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&& break \
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|| continue
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done
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