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out_file: new property to control output file append at the end line #5169

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out_file: new property to control output file append at the end line #5169

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3318339
out_file: allow appending content to out file in same line
Jul 7, 2022
d756229
out_file: update tips about config
Jul 20, 2022
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12 changes: 11 additions & 1 deletion plugins/out_file/file.c
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ struct flb_file_conf {
int format;
int csv_column_names;
int mkdir;
int line_append;
struct flb_output_instance *ins;
};

Expand Down Expand Up @@ -97,6 +98,7 @@ static int cb_file_init(struct flb_output_instance *ins,
ctx->delimiter = NULL;
ctx->label_delimiter = NULL;
ctx->template = NULL;
ctx->line_append = FLB_FALSE;

ret = flb_output_config_map_set(ins, (void *) ctx);
if (ret == -1) {
Expand Down Expand Up @@ -316,7 +318,9 @@ static int template_output(FILE *fp, struct flb_time *tm, msgpack_object *obj,
if (inbrace) {
fputs(inbrace, fp);
}
fputs(NEWLINE, fp);
if (ctx->line_append == FLB_FALSE){
fputs(NEWLINE, fp);
}
return 0;
}

Expand Down Expand Up @@ -636,6 +640,12 @@ static struct flb_config_map config_map[] = {
"Recursively create output directory if it does not exist. Permissions set to 0755"
},

{
FLB_CONFIG_MAP_BOOL, "line_append", "false",
0, FLB_TRUE, offsetof(struct flb_file_conf, line_append),
"Append data to the existing line rather than start a new line. Default value is false, use embedded new line characters '\n' to create new lines if true otherwise all output will be on a single line."
},

/* EOF */
{0}
};
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