42 lines
1.1 KiB
Awk
42 lines
1.1 KiB
Awk
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#!/usr/bin/awk -f
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#-------------------------------------------------------------------------------
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# Process tab-delimited data from the Internet Archive with a field name
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# header, reporting particular fields. The algorithm is general though this
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# instance is specific.
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#
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# This script is meant to be used thus:
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# $ ia list -va hpr2450 | ./parse_ia.awk
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# hpr2450.flac derivative
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# hpr2450.mp3 derivative
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# hpr2450.ogg derivative
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# hpr2450.opus original
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# hpr2450.spx original
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# hpr2450.wav original
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#
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#-------------------------------------------------------------------------------
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BEGIN {
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FS = "\t"
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}
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#
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# Read the header line and collect the fields into an array such that a search
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# by field name returns the field number.
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#
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NR == 1 {
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for (i = 1; i <= NF; i++) {
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fld[$i] = i
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}
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}
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#
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# Read the rest of the data, reporting only the lines relating to chosen files
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# and print the fields 'name' and 'source'
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#
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NR > 1 && $(fld["source"]) ~ /original/ {
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printf "%-25s %s\n",$(fld["name"]),$(fld["source"])
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}
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# vim: syntax=awk:ts=8:sw=4:ai:et:tw=78:nu:rnu:
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