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annotate paste/paste.13254 @ 8509:272663b31668
<b_jonas> slashlearn block device/Block devices are a concession made in Unix to make raw hard disks and magnetic tape have a similar interface to regular files and terminals. Since magnetic tapes can\'t write individual bytes, only entire blocks, the interface isn\'t exactly the same, thus the dreaded dd obs= option was born.
author | HackBot |
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date | Fri, 17 Jun 2016 08:35:50 +0000 |
parents | ac59fa54605e |
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748
ac59fa54605e
<fizzie> run cat bin/delquote | sed -e 's/echo "\*poof\*/printf "*poof*%s" "/;s/"$//' | paste
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1 #!/bin/sh |
ac59fa54605e
<fizzie> run cat bin/delquote | sed -e 's/echo "\*poof\*/printf "*poof*%s" "/;s/"$//' | paste
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2 id=$1 |
ac59fa54605e
<fizzie> run cat bin/delquote | sed -e 's/echo "\*poof\*/printf "*poof*%s" "/;s/"$//' | paste
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3 expr "$1" + 0 >/dev/null 2>&1 || exit 1 |
ac59fa54605e
<fizzie> run cat bin/delquote | sed -e 's/echo "\*poof\*/printf "*poof*%s" "/;s/"$//' | paste
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4 head -n $((id-1)) quotes >quotes.new |
ac59fa54605e
<fizzie> run cat bin/delquote | sed -e 's/echo "\*poof\*/printf "*poof*%s" "/;s/"$//' | paste
HackBot
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5 tail -n +$((id+1)) quotes >>quotes.new |
ac59fa54605e
<fizzie> run cat bin/delquote | sed -e 's/echo "\*poof\*/printf "*poof*%s" "/;s/"$//' | paste
HackBot
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6 diff quotes quotes.new >/dev/null && exit 1 |
ac59fa54605e
<fizzie> run cat bin/delquote | sed -e 's/echo "\*poof\*/printf "*poof*%s" "/;s/"$//' | paste
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7 printf "*poof*%s" "$(quote $id | cut -d')' -f2-) |
ac59fa54605e
<fizzie> run cat bin/delquote | sed -e 's/echo "\*poof\*/printf "*poof*%s" "/;s/"$//' | paste
HackBot
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8 mv quotes.new quotes |
ac59fa54605e
<fizzie> run cat bin/delquote | sed -e 's/echo "\*poof\*/printf "*poof*%s" "/;s/"$//' | paste
HackBot
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9 |