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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <fset.h>
define SZ_OTSTR 10
# TEE -- Tee the standard output. The type of the output file defaults to
# text file unless the caller specifies otherwise. Note that this tee
# writes the entire output all at once.
procedure t_tee()
char tee_file[SZ_FNAME], out_type_string[SZ_OTSTR]
bool clgetb()
pointer sp, buf
int out, sz_buf, out_type, nchars
int open(), read(), strmatch(), getline(), fstati()
begin
# Get params and open the output file.
call clgstr ("tee_file", tee_file, SZ_FNAME)
call clgstr ("out_type", out_type_string, SZ_OTSTR)
if (strmatch (out_type_string, "^#{b}") > 0)
out_type = BINARY_FILE
else
out_type = TEXT_FILE
if (clgetb ("append"))
out = open (tee_file, APPEND, out_type)
else
out = open (tee_file, NEW_FILE, out_type)
# Make a buffer and perform the copy operation.
call smark (sp)
if (out_type == TEXT_FILE) {
call salloc (buf, SZ_LINE, TY_CHAR)
while (getline (STDIN, Memc[buf]) != EOF) {
call putline (STDOUT, Memc[buf])
call putline (out, Memc[buf])
}
} else {
sz_buf = fstati (STDIN, F_BUFSIZE)
call salloc (buf, sz_buf, TY_CHAR)
while (read (STDIN, Memc[buf], sz_buf) != EOF) {
nchars = fstati (STDIN, F_NCHARS)
call write (STDOUT, Memc[buf], nchars)
call write (out, Memc[buf], nchars)
}
}
call sfree (sp)
call close (out)
end
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