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July 17th, 2001, 09:18 PM
#1
file question
what is the better way to replace some lines with some new text in a text file?
********************** test.txt ***********
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<- new code start ->
Thanks. this is a test
what is this?
<- new test end - >
Tip: You can enclose a block of source code within This will preserve the formatting and add syntax highlighting.
********************************************
I want the following part
<- new code start ->
Thanks. this is a test
what is this?
<- new test end - >
to be replaced by
<- new line start ->
what a nice day!
I will be back soon.
<- new line end - >
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July 18th, 2001, 01:00 AM
#2
Re: file question
First read it in a string, then track the <- new code start -> and the <- new test end ->, and replace it with what you want. After that, rewrite the file
dim strFile as string
dim FFile as integer
FFile = FreeFile
Open "file.txt" for input as #FFile
' read the entire file
strFile = input(FileLen("file.txt"),FFile)
Close #FFile
' now do the replacing magic
Dim iPosBeginTag as long
Dim iPosEndTag as long
Dim strSomeOtherText as string
strSomeOtherText = "Whatever needs to com between the new stuff"
iPosBeginTag = Instr(strLine,"<- new code start ->")
iPosEndTag = Instr(strLine,"<- new test end ->") + len("<- new test end ->")
strFile = Left(strFile, iPosBeginTag -1) & _
"<- new line start ->" & _
strSomeOtherText & _
"<- new line end ->" & _
mid(strLine,iPosEndTag)
' now write it back again
FFile = FreeFile
Open "file.txt" for output as #ffile
print #Ffile, strFile
Close #Ffile
Tom Cannaerts
[email protected]
Programming today is a race between software engineers striving to build bigger and better idot-proof programs, and the universe trying to produce bigger and better idiots. So far, the universe is winning -- Rich Cook
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