User:Timothee Flutre/Notebook/Postdoc/2012/05/25: Difference between revisions
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(→One-liners with GNU tools: add tutorial + list of other tools) |
(→One-liners with GNU tools: add sed examples) |
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** tr | ** tr | ||
** wc | ** wc | ||
* '''Skip a subset of successive lines''': | |||
for i in {1..10}; do echo $i; done | sed 3,6d | |||
* '''Extract a subset of successive lines''': | |||
for i in {1..20}; do echo $i; done | sed -n 3,5p | |||
* '''Use absolute values:''' | * '''Use absolute values:''' | ||
for i in {-5..5}; do echo $i; done | awk 'function abs(x){return (((x < 0.0) ? -x : x) + 0.0)} {print abs($1)}' | |||
awk 'function abs(x){return (((x < 0.0) ? -x : x) + 0.0)} {print abs($1)}' | |||
Revision as of 08:42, 29 November 2012
Project name | <html><img src="/images/9/94/Report.png" border="0" /></html> Main project page <html><img src="/images/c/c3/Resultset_previous.png" border="0" /></html>Previous entry<html> </html>Next entry<html><img src="/images/5/5c/Resultset_next.png" border="0" /></html> |
One-liners with GNU tools
for i in {1..10}; do echo $i; done | sed 3,6d
for i in {1..20}; do echo $i; done | sed -n 3,5p
for i in {-5..5}; do echo $i; done | awk 'function abs(x){return (((x < 0.0) ? -x : x) + 0.0)} {print abs($1)}'
awk 'BEGIN{RS=">"} {if(NF==0)next; split($0,a,"\n"); printf "@"a[1]"\n"a[2]"\n+\n"; \ for(i=1;i<=length(a[2]);i++)printf "}"; printf"\n"}' probes.fa > probes.fq |