Short version string output

This adds support for just showing the version string
without the full welcome message if the log level is
less than the default. That means that you pass -q once
and you will just see "1.4.5".

This makes it easier to parse in scripts.

diff --git a/programs/zstdcli.c b/programs/zstdcli.c
index 70e2b70666bf265e074da8022576d072f85cf438..6b795bb68ac94ba674d113108409253b71bf0fce 100644 (file)
--- a/programs/zstdcli.c
+++ b/programs/zstdcli.c
@@ -544,6 +544,11 @@ static unsigned parseCompressionParameters(const char* stringPtr, ZSTD_compressi
 
 static void printVersion(void)
 {
+    if (g_displayLevel < DISPLAY_LEVEL_DEFAULT) {
+        DISPLAYOUT("%s\n", ZSTD_VERSION_STRING);
+        return;
+    }
+
     DISPLAYOUT(WELCOME_MESSAGE);
     if (g_displayLevel >= 3) {
     /* format support */