From 3e3b50586dc05e3952f571dfa3a38dceaabbdf7c Mon Sep 17 00:00:00 2001
From: Tom Greig <tom@tomg.xyz>
Date: Fri, 11 Apr 2025 10:13:55 +0100
Subject: [PATCH] Add -p option to print data as it comes in
Allows you to do stuff like
$ get data | e-plot -p > data_file.csv
---
src/main.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/main.c b/src/main.c
index eab74d8..6665290 100644
--- a/src/main.c
+++ b/src/main.c
@@ -103,6 +103,8 @@ struct context {
bool sort;
+ bool print;
+
char* xaxis;
size_t xaxis_n;
@@ -324,6 +326,13 @@ int main( int argc, char** argv ) {
.arg = G_OPTION_ARG_NONE,
.arg_data = &( context->time ),
.description = "Format x-axis as time",
+ }, {
+ .long_name = "print",
+ .short_name = 'p',
+ .flags = G_OPTION_FLAG_IN_MAIN,
+ .arg = G_OPTION_ARG_NONE,
+ .arg_data = &( context->print ),
+ .description = "Copy input to stdout",
}, {
NULL,
},
@@ -1087,6 +1096,9 @@ static int data_callback( void* data ) {
context->read_buffer + strlen( context->read_buffer ),
buffer, l + 1 );
+ if ( context->print ) {
+ write( STDOUT_FILENO, buffer, l );
+ }
}
--
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