ISNI

VIAF

http://viaf.org/viaf/data/
- http://viaf.org/viaf/data/viaf-20170906-links.txt.gz

wget http://viaf.org/viaf/data/viaf-20170806-links.txt.gz

make smaller

gunzip < viaf-20170806-links.txt.gz | bzip2 > viaf-20170806-links.txt.bz2

extract uncompressed file (keep original compressed file)

gunzip -c viaf-20170806-links.txt.gz > viaf-20170806-links.txt

see sizes

ls -la
-rw-r--r--  1 root     root     4414758007 Sep 21 13:42 viaf-20170806-links.txt
-rw-r--r--  1 root     root      661276773 Sep 21 13:40 viaf-20170806-links.txt.bz2
-rw-r--r--  1 root     root      807433803 Aug  8 00:09 viaf-20170806-links.txt.gz

view data

zcat viaf-20170906-links.txt.gz | head -n 100

extract lines that contain "ISNI"

zcat viaf-20170906-links.txt.gz | fgrep 'ISNI' > viaf-20170906-links.isni.txt

remove viaf and isni prefixes and sort by ISNI

zcat viaf-20170906-links.txt.gz | fgrep 'ISNI' | sed -e 's@http://viaf.org/viaf/@@' -e s'/ISNI|//' | sort -k2 | gzip > viaf-20170906-links.isni-noprefix.sortbyisni.txt.gz

replace tab with comma - increases file size!

zcat viaf-20170906-links.txt.gz | fgrep 'ISNI' | sed -e 's@http://viaf.org/viaf/@@' -e s'/ISNI|//' -e 's/[\t|]/,/g'| sort -k2 | gzip > viaf-20170906-links.isni-noprefix.sortbyisni.txt.gz

zcat viaf-20170806-links.txt.gz | fgrep 'ISNI' | sed -e 's@http://viaf.org/viaf/@@' -e s'/ISNI|//' -e 's/[\t|]/,/g'| sort | bzip2 > viaf-20170806-links.isni-noprefix.sortbyviaf.csv.bz2
zcat viaf-20170806-links.txt.gz | fgrep 'ISNI' | sed -e 's@http://viaf.org/viaf/@@' -e s'/ISNI|//' -e 's/[\t|]/,/g'| sort | gzip > viaf-20170806-links.isni-noprefix.sortbyviaf.csv.gz
zcat viaf-20170806-links.txt.gz | fgrep 'ISNI' | sed -e 's@http://viaf.org/viaf/@@' -e s'/ISNI|//' -e 's/[\t|]/,/g'| sort -t',' -k2 > viaf-20170806-links.isni-noprefix.sortbyisni.csv
zcat viaf-20170806-links.txt.gz | fgrep 'ISNI' | sed -e 's@http://viaf.org/viaf/@@' -e s'/ISNI|//' -e 's/[\t|]/,/g'| sort -t',' -k2 | bzip2 > viaf-20170806-links.isni-noprefix.sortbyisni.csv.bz2
zcat viaf-20170806-links.txt.gz | fgrep 'ISNI' | sed -e 's@http://viaf.org/viaf/@@' -e s'/ISNI|//' -e 's/[\t|]/,/g'| sort -t',' -k2 | gzip > viaf-20170806-links.isni-noprefix.sortbyisni.csv.gz