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OpenSolaris 2009.06 - man page for eof (opensolaris section 1t)

eof(1T) 						       Tcl Built-In Commands							   eof(1T)

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NAME
eof - Check for end of file condition on channel
SYNOPSIS
eof channelId _________________________________________________________________
DESCRIPTION
Returns 1 if an end of file condition occurred during the most recent input operation on channelId (such as gets), 0 otherwise. ChannelId must be an identifier for an open channel such as a Tcl standard channel (stdin, stdout, or stderr), the return value from an invocation of open or socket, or the result of a channel creation command provided by a Tcl extension.
EXAMPLES
Read and print out the contents of a file line-by-line: set f [open somefile.txt] while {1} { set line [gets $f] if {[eof $f]} { close $f break } puts "Read line: $line" } Read and print out the contents of a file by fixed-size records: set f [open somefile.dat] fconfigure $f -translation binary set recordSize 40 while {1} { set record [read $f $recordSize] if {[eof $f]} { close $f break } puts "Read record: $record" }
SEE ALSO
file(1T), open(1T), close(1T), fblocked(1T), Tcl_StandardChannels(3TCL)
KEYWORDS
channel, end of file
ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWTcl | +--------------------+-----------------+ |Interface Stability | Uncommitted | +--------------------+-----------------+
NOTES
Source for Tcl is available on http://opensolaris.org. Tcl 7.5 eof(1T)