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# This is a sample Makeflow script that retrieves an image from the web,
# creates four variations of it, and then combines them into an animation.
# It produces the same output as example.makeflow, but it introduces the syntax
# to group rules in sets, called categories. The computational resources needed
# for a rule in a category can also be optionally specified.
# A Makeflow script is a subset of the Makefile language (see the manual
# for more information). For example, for convenience we can define the
# textual substitutions:
CURL=/usr/bin/curl
CONVERT=/usr/bin/convert
URL=http://ccl.cse.nd.edu/images/capitol.jpg
# We specify the set of inputs and outputs. This is not required, but strongly
# recommended.
MAKEFLOW_INPUTS=
MAKEFLOW_OUTPUTS=capitol.montage.gif
# Similar rules can be arbitrarily labeled to form sets, called categories. In
# this example we define three categories: preprocess, analysis, and merge.
# Rules belong to the category of the most recent CATEGORY statement.
.MAKEFLOW CATEGORY merge
# To provide accurate assessment of the output size, estimated file sizes can
# be specified via the .SIZE directive.
.SIZE capitol.jpg 51274
# Resources needed for a single task in category may be included (optional).
# MEMORY and DISK in MB.
.MAKEFLOW CORES unsupported
.MAKEFLOW MEMORY 50
.MAKEFLOW DISK 100
capitol.montage.gif: capitol.jpg capitol.90.jpg capitol.180.jpg capitol.270.jpg capitol.360.jpg
$CONVERT -delay 10 -loop 0 capitol.jpg capitol.90.jpg capitol.180.jpg capitol.270.jpg capitol.360.jpg capitol.270.jpg capitol.180.jpg capitol.90.jpg capitol.montage.gif
.MAKEFLOW CATEGORY analysis
.MAKEFLOW CORES 1
.MAKEFLOW MEMORY 10
.MAKEFLOW DISK 20
capitol.90.jpg: capitol.jpg
$CONVERT -swirl 90 capitol.jpg capitol.90.jpg
capitol.180.jpg: capitol.jpg
$CONVERT -swirl 180 capitol.jpg capitol.180.jpg
capitol.270.jpg: capitol.jpg
$CONVERT -swirl 270 capitol.jpg capitol.270.jpg
capitol.360.jpg: capitol.jpg
$CONVERT -swirl 360 capitol.jpg capitol.360.jpg
# If a rule is preceded by LOCAL, it executes at the local site.
.MAKEFLOW CATEGORY preprocess
.MAKEFLOW CORES 1
.MAKEFLOW MEMORY 10
.MAKEFLOW DISK 20
capitol.jpg:
LOCAL $CURL -o capitol.jpg $URL
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