62 lines
1.1 KiB
Bash
Executable File
62 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# dgibson.sh - run the IOCCC entry 1993/dgibson
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#
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# usage:
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# dgibson.sh [data_file]
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# parse args
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#
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if [[ $# -eq 0 ]]; then
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DATA="./dgibson.data1"
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else
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DATA="$1"
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fi
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if [[ ! -f "$DATA" ]]; then
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echo "$0: no data found in $DATA" 1>&2
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exit 1
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fi
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# for the initial data.name if needed
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#
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if [[ ! -f "data.name" ]]; then
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rm -f data.name
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echo "$DATA" > data.name
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fi
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if [[ ! -f life.d ]]; then
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# force a new life setup
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echo "/" > data.name
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fi
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rm -f data.name2
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echo "$DATA" > data.name2
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# note if we are running a new form
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#
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if cmp -s data.name data.name2; then
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:
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else
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rm -f life.d
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cp "$DATA" life.d
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rm -f data.name
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echo "$DATA" > data.name
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cat life.d
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fi
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# build a new copy of the program
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#
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rm -f dgibson
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# make sure CC is set so that when we do make CC="$CC" it isn't empty. Doing it
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# this way allows us to have the user specify a different compiler in an easy
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# way.
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if [[ -z "$CC" ]]; then
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CC="cc"
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fi
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make CC="$CC" all >/dev/null || exit 1
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# form the next generation
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#
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chmod +w life.d
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./dgibson | tee life.d
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