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% CPSC-FUNCTION-EOF(7)
# NAME
cpsc-function-eof - test for the end of a text file
# SYNOPSIS
```text
EOF(filename : STRING) RETURNS BOOLEAN
```
# DESCRIPTION
Return true when no further characters remain in a file opened FOR READ.
The test does not consume the next character. Testing an unopened file or
a file in the wrong mode terminates execution.
# EXAMPLE
```text
DECLARE Line : STRING
OPENFILE "notes.txt" FOR READ
WHILE NOT EOF("notes.txt") DO
READFILE "notes.txt", Line
OUTPUT Line
ENDWHILE
CLOSEFILE "notes.txt"
```
# SEE ALSO
[cpsc-language-overview(7)](cpsc-language-overview.7.md), [cpsc-keyword-openfile(7)](cpsc-keyword-openfile.7.md), [cpsc-keyword-readfile(7)](cpsc-keyword-readfile.7.md), [cpsc-keyword-closefile(7)](cpsc-keyword-closefile.7.md).
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