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Re: [PROGRAMMERING] sed, start af fil navne



Jens Svalgaard Kohrt skrev:
Hans Ole Hansen skrev:

Jeg har nogle filer sally-r1, sally-r10, harry-r100, harry-r2

Jeg vil gerne generere en liste hvor de første tegne fra filnavnet indtil -r[0-9]+ optræder kun engang. I ovennævnte eksempel skulle listen i såfald blive

sally
harry

Hvordan gør jeg det. Jeg tror at jeg skal bruge noget lign

ls | sed 's/\(.+\)r[0-9]+/\1/' | sort -u

Du mangler \ foran + og et ekstra -, dvs.:

  ls | sed 's/\(.\+\)-r[0-9]\+/\1/' | sort -u

Det kan også gøres lidt kortere:

    ls | sed 's/-r[0-9]\+//' | uniq

God fornøjelse,

Jacob
--
"Any, sufficiently complicated, experiment is indistinguishable from magic."


 
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