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2ff: use trap to remove temporary file - farbfeld - suckless image format with … |
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git clone git://git.suckless.org/farbfeld |
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--- |
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commit e9db1f49b75b183c8aeda321ca54aff5b436a4f6 |
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parent 48c52a1f4889858ae3466f1987b522e426b6ddf3 |
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Author: FRIGN <[email protected]> |
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Date: Mon, 19 Sep 2016 22:51:45 +0200 |
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2ff: use trap to remove temporary file |
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This also frees us from having to store the return value somewhere. |
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Diffstat: |
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M 2ff | 10 +++++----- |
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1 file changed, 5 insertions(+), 5 deletions(-) |
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--- |
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diff --git a/2ff b/2ff |
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@@ -5,6 +5,8 @@ if [ "$#" -ne 0 ]; then |
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fi |
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TMP=$(mktemp) |
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+trap 'rm "$TMP"' EXIT |
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+ |
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cat > "$TMP" |
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if [ "$(dd if="$TMP" bs=1 count=8 2>/dev/null)" = "farbfeld" ]; then |
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@@ -26,11 +28,9 @@ image/jpeg) |
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;; |
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esac |
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-ret=$? |
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-rm "$TMP" |
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- |
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-if [ $ret -ne 0 ]; then |
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+if [ $? -ne 0 ]; then |
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printf "%s: failed to convert from %s\n" "$0" "$FORMAT" >&2 |
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+ exit 1 |
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fi |
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-exit $ret |
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+exit 0 |
