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comparison bin/psplitTars.sh @ 55:50556ac15e88

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one-off to convert big extracts.tar into lots of smaller ones
author Henry S. Thompson <ht@inf.ed.ac.uk>
date Tue, 14 Apr 2020 16:10:22 +0100
parents
children c0c030e8b219
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54:8154560f1e3d 55:50556ac15e88
1 #!/usr/bin/bash
2 cat /beegfs/common_crawl/CC-MAIN-2019-35/bigtar.txt | \
3 parallel --will-cite -j 8 -n 1 '
4 segid={}
5 echo $segid starting
6 ccid=2019-35
7 h=/beegfs/common_crawl/CC-MAIN-${ccid}
8 mkdir -p /dev/shm/rex/${segid}
9 cd /dev/shm/rex/${segid}
10 tar -xf ${h}/${segid}/extracts.tar
11 pfx=$(ls ${h}/${segid}/CC-MAIN-*-00000.warc.gz |\
12 cut -f 6 -d / | cut -f 3,4 -d -)
13 cat ../by11s.txt | while read i j
14 do ((n=i/11))
15 tar -cf /beegfs/common_crawl/CC-MAIN-${ccid}/${segid}/extract_${n}.tar \
16 $(seq $i $j | xargs -I ^ bash -c "{ k=^; printf \"\${0}-%05.0f_* logs/*_%03.0f_log\n\" \$k \$k ; }" $pfx)
17 done
18 echo $(date) $segid done
19 '