Query: eof
OS: debian
Section: 3tcl
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
eof(3tcl) Tcl Built-In Commands eof(3tcl) __________________________________________________________________________________________________________________________________________________NAMEeof - Check for end of file condition on channelSYNOPSISeof channelId _________________________________________________________________DESCRIPTIONReturns 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.EXAMPLESRead 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 ALSOfile(3tcl), open(3tcl), close(3tcl), fblocked(3tcl), Tcl_StandardChannels(3tcl)KEYWORDSchannel, end of file Tcl 7.5 eof(3tcl)
Related Man Pages |
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close(3tcl) - debian |
eof(3tcl) - debian |
seek(3tcl) - debian |
gets(3tcl) - debian |
gets(3) - opendarwin |
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