From fa8b939990ed0648f99b0cbeba4efed807160db3 Mon Sep 17 00:00:00 2001 From: Aaron Marcher Date: Mon, 21 May 2018 14:07:41 +0200 Subject: [PATCH] Add option to output only once and exit --- slstatus.1 | 4 +++- slstatus.c | 13 ++++++++++--- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/slstatus.1 b/slstatus.1 index da1a99a..9517fab 100644 --- a/slstatus.1 +++ b/slstatus.1 @@ -6,7 +6,7 @@ .Nd suckless status monitor .Sh SYNOPSIS .Nm -.Op Fl s +.Op Fl so .Sh DESCRIPTION .Nm is a suckless status monitor for window managers that use WM_NAME (e.g. dwm) or @@ -18,6 +18,8 @@ outputs to WM_NAME. .Bl -tag -width Ds .It Fl s Write to stdout instead of WM_NAME. +.It Fl o +Write only once and exit. .El .Sh CUSTOMIZATION .Nm diff --git a/slstatus.c b/slstatus.c index 3222b02..b3abafb 100644 --- a/slstatus.c +++ b/slstatus.c @@ -42,7 +42,7 @@ difftimespec(struct timespec *res, struct timespec *a, struct timespec *b) static void usage(void) { - die("usage: %s [-s]", argv0); + die("usage: %s [-so]", argv0); } int @@ -51,15 +51,18 @@ main(int argc, char *argv[]) struct sigaction act; struct timespec start, current, diff, intspec, wait; size_t i, len; - int sflag, ret; + int sflag, oflag, ret; char status[MAXLEN]; const char *res; - sflag = 0; + sflag = oflag = 0; ARGBEGIN { case 's': sflag = 1; break; + case 'o': + oflag = 1; + break; default: usage(); } ARGEND @@ -107,6 +110,10 @@ main(int argc, char *argv[]) XFlush(dpy); } + if (oflag) { + done = 1; + } + if (!done) { if (clock_gettime(CLOCK_MONOTONIC, ¤t) < 0) { die("clock_gettime:");