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annotate bin/cdb_chain.sh @ 294:cc2945816b75

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job index arg to doit, slightly better diagnostic output
author Henry S. Thompson <ht@inf.ed.ac.uk>
date Tue, 22 Apr 2025 14:32:07 +0100
parents 25d49e1f6c1d
children 3bd6378eb64e
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25d49e1f6c1d automate a cdb chain
Henry S. Thompson <ht@inf.ed.ac.uk>
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1 #!/usr/bin/bash
25d49e1f6c1d automate a cdb chain
Henry S. Thompson <ht@inf.ed.ac.uk>
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2 # Chain together n steps of test_cdbp
25d49e1f6c1d automate a cdb chain
Henry S. Thompson <ht@inf.ed.ac.uk>
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3 # Usage cdb_chain n
25d49e1f6c1d automate a cdb chain
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4 # First step takes stdin, intermediate steps use FIFOs, last step goes to stdout
25d49e1f6c1d automate a cdb chain
Henry S. Thompson <ht@inf.ed.ac.uk>
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5 export PYTHONPATH=~/lib/python/cc/lmh
25d49e1f6c1d automate a cdb chain
Henry S. Thompson <ht@inf.ed.ac.uk>
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6 n=$1
25d49e1f6c1d automate a cdb chain
Henry S. Thompson <ht@inf.ed.ac.uk>
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7 mkfifo from0
25d49e1f6c1d automate a cdb chain
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8 cat | { cdbp.sh 0 > from0 ; } &
25d49e1f6c1d automate a cdb chain
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9 seq 1 $((n - 2)) | while read i ; do
25d49e1f6c1d automate a cdb chain
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10 mkfifo from$i
25d49e1f6c1d automate a cdb chain
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11 cdbp.sh $i < from$((i - 1)) > from$i &
25d49e1f6c1d automate a cdb chain
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12 rm $from$((i - 1))
25d49e1f6c1d automate a cdb chain
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13 done
25d49e1f6c1d automate a cdb chain
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14 cdbp.sh $((n - 1)) < from$((n - 2))
25d49e1f6c1d automate a cdb chain
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15 rm from$((n - 2))