diff options
Diffstat (limited to 'doc/fcopy.n')
| -rw-r--r-- | doc/fcopy.n | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/doc/fcopy.n b/doc/fcopy.n index 290ec49..ec3d5c6 100644 --- a/doc/fcopy.n +++ b/doc/fcopy.n @@ -90,13 +90,13 @@ the system will assume that the incoming bytes are valid UTF-8 characters and convert them according to the output encoding. The behaviour of the system for bytes which are not valid UTF-8 characters is undefined in this case. - .SH EXAMPLES .PP The first example transfers the contents of one channel exactly to another. Note that when copying one file to another, it is better to use \fBfile copy\fR which also copies file metadata (e.g. the file access permissions) where possible. +.PP .CS fconfigure $in -translation binary fconfigure $out -translation binary @@ -108,6 +108,7 @@ passed the number of bytes transferred. It also uses vwait to put the application into the event loop. Of course, this simplified example could be done without the command callback. +.PP .CS proc Cleanup {in out bytes {error {}}} { global total @@ -115,7 +116,7 @@ proc Cleanup {in out bytes {error {}}} { close $in close $out if {[string length $error] != 0} { - # error occurred during the copy + # error occurred during the copy } } set in [open $file1] @@ -125,17 +126,18 @@ vwait total .CE .PP The third example copies in chunks and tests for end of file -in the command callback +in the command callback. +.PP .CS proc CopyMore {in out chunk bytes {error {}}} { global total done incr total $bytes if {([string length $error] != 0) || [eof $in]} { - set done $total - close $in - close $out + set done $total + close $in + close $out } else { - \fBfcopy\fR $in $out -size $chunk \e + \fBfcopy\fR $in $out -size $chunk \e -command [list CopyMore $in $out $chunk] } } @@ -147,9 +149,7 @@ set total 0 -command [list CopyMore $in $out $chunk] vwait done .CE - .SH "SEE ALSO" eof(n), fblocked(n), fconfigure(n), file(n) - .SH KEYWORDS blocking, channel, end of line, end of file, nonblocking, read, translation |