Example String fileReadRecord 001

 

 

Description

This example writes a file, closes the file and opens the file for reading. Then it uses the fileReadRecord function in the readTestFile child Lambda to get the buffer of the file. After getting the buffer, the fileReadRecord then uses the buffer to return the end-of-line terminated record which is returned as a string String Object.

 

Details

Creates a new file.

(setq fileID (fileOpen "testReadRecord.txt" 1 0)) Returns: 1

Writes 10 end-of-line terminated records

(loop for n from 0 until 10 do
(fileWriteln fileID n #\tab "some text" )
) 		Returns: 10

Closes without erasing the file.

(fileClose fileID 1) Returns: true

Opens the written file.

(setq fileID (fileOpen "testReadRecord.txt" 0 0)) Returns: 1

Gets the buffer of the file.

(setq aBuffer (fileReadRecord fileID)) Returns: true

Gets every end-of-line terminated record from the file.

(setq aLine "")
(while (<> aLine #void) do
(setq aLine (fileReadRecord fileID aBuffer))
(writeln aLine)
) 		Returns: 0 some text
1 some text
2 some text
3 some text
4 some text
5 some text
6 some text
7 some text
8 some text
9 some text
#void

Closes and erases the file

(fileClose fileID 0) Returns: true

 

Related Examples

Here are examples of the fileReadRecord function at work.

String fileReadRecord 001

 

Function Links

Here is the link to the current function used in this example.

fileReadRecord

Here are a number of links to other related functions.

fileRead(String) fileClose(String) fileOpen(String)

 

Argument Types

Here are the links to the data types of the arguments used in this example.

Character String ByteVector

Here are a number of links to examples having similar argument types.

BitVector isType 020 BitVector ref 027 Boolean isType 011 ByteVector compress 001
ByteVector isByteVector 001 ByteVector isCharAlphabetic 003 ByteVector isCharAlphanumeric 003 ByteVector isCharLowercase 003
ByteVector isCharName 003 ByteVector isCharNumeric 003 ByteVector isCharUppercase 003 ByteVector isCharWhitespace 003
ByteVector isObject 013 ByteVector sizeof 020 ByteVector type 022 Character addMethod 013
Character cadd 001 Character ccompareEQ 001 Character ccompareGE 001 Character ccompareGT 001
Character ccompareLE 001 Character ccompareLT 001 Character ccompareNE 001 Character cdiv 001
Character character 001 Character cmod 001 Character cmul 001 Character compare 010
Character compareEQ 010 Character compareGE 010 Character compareGT 010 Character compareLE 010
Character compareLT 010 Character compareNE 010 Character comparison 010 Character csub 001
Character isEqual 008 Character isIdentical 008 Character isType 012 Character setq 017
Character sizeof 010 Character type 012 Context debugBrowsableProcs 001 Context disassemble 001
Date hour 001 Date isDate 001 Date isType 014 Date julian 001
Date minute 001 Date month 001 Date second 001 Date time 001
Date time 002 Date year 001 Dictionary isDictionary 001 Dictionary isType 006
Dictionary new 004 Directory isType 007 Directory new 005 Directory ref 010
Directory ref 012 Error error 001 Error errorTrap 001 Error isError 001
Error onError 001 FileIO closeLog 001 FltVector isType 016 FltVector ref 022
Function isType 015 IntVector isType 017 IntVector ref 023 Matrix isType 009
Matrix ref 015 Matrix ref 016 NumMatrix isType 022 NumMatrix ref 035
NumVector isType 018 NumVector ref 024 Number isType 013 ObjVector isType 019
ObjVector ref 025 PcodeVector ref 026 ShortVector isType 018 ShortVector ref 024
String addMethod 001 String append 001 String append 002 String clean 001
String code 001 String compare 001 String compareEQ 001 String compareGE 001
String compareGT 001 String compareLE 001 String compareLT 001 String compareNE 001
String comparison functions 001 String defMethod 001 String defMethod 002 String downcase 001
String fileRead 001 String fileRead 002 String fileReadRecord 001 String fileWrite 001
String find 001 String find 002 String hashString 001 String isChar 001
String isCharAlphabetic 001 String isCharAlphanumeric 001 String isCharLowercase 001 String isCharName 001
String isCharNumeric 001 String isCharUppercase 001 String isCharWhitespace 001 String isEqual 001
String isEqual 002 String isObject 001 String isString 001 String isText 001
String isType 001 String isType 002 String isType 003 String left 001
String length 001 String length 002 String methodsOf 001 String methodsOf 002
String methodsOf 003 String mid 001 String new 001 String parse 001
String ref 001 String ref 002 String replace 001 String rept 001
String right 001 String send 001 String sizeof 001 String string 001
String string 002 String string 003 String stringCiEQ 001 String stringCiGE 001
String stringCiGT 001 String stringCiLE 001 String stringCiLT 001 String stringCiNE 001
String stringFill 001 String stringToBVector 001 String stringToBVector 002 String stringToBVector 003
String stringToVector 001 String stringToVector 002 String stringToVector 003 String stringToVector 004
String substitute 001 String substitute 002 String substring 001 String substring 002
String substringCiEQ 001 String substringCiGE 001 String substringCiGT 001 String substringCiLE 001
String substringCiLT 001 String substringCiNE 001 String text 001 String trim 001
String type 001 String upcase 001 String upcase 002 String upcase 003
Structure apply 002 Structure ref 004 Structure setq 003 Structure setq 004
Structure setq 005 Structure setq 006 Symbol *< 001 Symbol +< 001
Symbol -< 001 Symbol /< 001 Symbol downcase 002 Symbol isCharAlphabetic 002
Symbol isCharAlphanumeric 002 Symbol isCharLowercase 002 Symbol isCharName 002 Symbol isCharNumeric 002
Symbol isCharUppercase 002 Symbol isCharWhitespace 002 Symbol isObject 002 Symbol isSymbol 001
Symbol isType 004 Symbol length 003 Symbol makeQuotedSymbol 001 Symbol send 002
Symbol sizeof 002 Symbol symbol 001 Symbol symbol 002 Symbol type 002
Vector isType 008 Vector ref 013 Vector ref 014 Void isType 010
Void ref 017 substringEQ 001 substringFill 001 substringGE 001
substringGT 001 substringLE 001 substringLT 001 substringNE 001

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