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Det virker også uden at videresende stderr til /dev/null-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
On Mon, 10 Sep 2007 00:36:08 +0200 Jens Bang <sslug@sslug> wrote:
Hvorfor er FileCount lig med 1 både når der er ét backup*-directory
og når der ikke er noget backup*-directory?
Kunne det ikke skyldes, at hvis du ikke videresender stderr til /dev/null, så vil fejlmeddelelser blive medtalt? ls backup* giver denne fejlmeddelelse, hvis intet matcher: ls: backup*: No such file or directory
Det virker sådan her: #!/bin/sh FileCount=0
for X in $(ls backup* 2> /dev/null) do FileCount=$((FileCount+1)) done
Problemet med
FileCount=0 for X in backup* do FileCount=$((FileCount+1)) done
Vær iøvrigt opmærksom på, at ls medtæller både katalognavne og indhold i kataloger. Har du f.eks følgende:
backup0001 | ---- file1 | ---- file2
giver ovenstående 3 som resultat.
-- Med venlig hilsen
Jørgen Heesche mailto:sslug@sslug
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