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utility
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cmd_head.c,
count_tokens.c,
cp_file.c,
errmsg.c,
file_opened.c,
find_line.c,
find_string.c,
fn_base.c,
fn_dir.c,
fn_ext.c,
fn_root.c,
gchoice.c,
gdata_line.c,
gdouble.c,
gfield.c,
gint.c,
gntoken.c,
graphics_ok.c,
gstring.c,
lock.c,
lower.c,
mat_multiply.c,
mat_transform.c,
mat_transpose.c,
mv_file.c,
new_extension.c,
nolead.c,
notrail.c,
ordinal.c,
pfield.c,
squish_blanks.c,
test.c,
unlock.c,
upper.c,
utility.h,
utility.make,
valchars.c,
vec_angle.c,
vec_crossprod.c,
vec_diff.c,
vec_dotprod.c,
vec_length.c,
vec_norm.c,
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#include "utility.h"
char *cmd_head(command,line,line_size)
/*============================================================================*/
/* PURPOSE: GET THE FIRST LINE OF OUTPUT FROM THE SPECIFIED COMMAND.
/* WRITTEN: M.V.GRIESHABER
/* LAST MODIFICATION: 11 JUNE 1991 MVG
*/
char command[]; /* UNIX COMMAND. */
char line[]; /* FIRST LINE OF OUTPUT. */
int line_size; /* SIZE OF LINE. */
{
FILE *pipe_ptr; /* OPEN PIPE TO UNIX COMMAND. */
/* OPEN A PIPE TO THE SPECIFIED COMMAND, GET THE FIRST LINE AND CLOSE IT. */
pipe_ptr=popen(command,"r");
fgets(line,line_size,pipe_ptr);
line[strlen(line)-1]='\0'; /* ZAP TRAILING NEWLINE. */
pclose(pipe_ptr);
return(line);
}
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