#Date: Tue, 18 May 1999 12:48:07 -0500 (CDT) #From: Darrel Hankerson #To: arnold@gnu.org #Subject: [christopher.procter@bt.com: RE: Getline bug in Gawk 3.0.3] # #Here's a reply that came directly to me. --darrel # # #From: christopher.procter@bt.com #To: hankedr@dms.auburn.edu #Subject: RE: Getline bug in Gawk 3.0.3 #Date: Tue, 18 May 1999 18:42:28 +0100 # #Sorry that was me getting carried away and cut and pasting the wrong thing #into my email # #The real problem seems to be that : #BEGIN { #for (i=1;i<10;i++){ # while((getline < "hello.txt")>0){ # print $0 # } # close("hello.txt") # } #} #works (printing the contents of hello.txt 9 times), where as:- # #END{ #for (i=1;i<10;i++){ # while((getline < "hello.txt")>0){ # print $0 # } # close("hello.txt") # } #} # #doesn't, (it prints out hello.txt once followed by the iteration numbers #from 1 to 9). #The only difference is that one is in the BEGIN block and one in the END #block. # #Sorry about the first post, I'm not a bad awk programmer, just a tired one #:) # #chris # #> -----Original Message----- #> From: Darrel Hankerson [SMTP:hankedr@dms.auburn.edu] #> Sent: 18 May 1999 18:28 #> To: christopher.procter@bt.com #> Subject: Re: Getline bug in Gawk 3.0.3 #> #> Could you clarify? Your first script uses an apparently undefined #> variable f. #> #> #> christopher.procter@bt.com writes: #> #> BEGIN { #> for (i=1;i<10;i++){ #> while((getline < "hello.txt")>0){ #> print $0 #> } #> close(f) #> } #> } #> #> refuses to close the file and so prints the contents of hello.txt just #> once. #> However:- #> #> BEGIN { #> f="hello.txt" #> for (i=1;i<10;i++){ #> while((getline < f)>0){ #> print $0 #> } #> close(f) #> } #> } #> #> works as advertised (printing the contents of hello.txt 9 times) #> It seems like a bug in the close statement. #> #> -- #> --Darrel Hankerson hankedr@mail.auburn.edu # # srcdir is assigned on command line --- ADR END { f = srcdir "/redfilnm.in" for (i = 1; i < 10; i++){ while((getline < f) > 0){ print $0 } close(f) } }