New component: cat
Generically reads an arbitrary file natively. Saves a few layers of execution in comparison to using `run_command` with an argument like `cat ./file`.
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1
Makefile
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Makefile
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@ -7,6 +7,7 @@ include config.mk
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REQ = util
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REQ = util
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COM =\
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COM =\
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components/battery\
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components/battery\
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components/cat\
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components/cpu\
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components/cpu\
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components/datetime\
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components/datetime\
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components/disk\
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components/disk\
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1
README
1
README
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@ -7,6 +7,7 @@ slstatus is a suckless status monitor for window managers that use WM_NAME
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Features
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Features
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--------
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--------
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- Battery percentage/state/time left
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- Battery percentage/state/time left
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- Cat (read file)
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- CPU usage
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- CPU usage
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- CPU frequency
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- CPU frequency
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- Custom shell commands
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- Custom shell commands
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@ -0,0 +1,32 @@
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/* See LICENSE file for copyright and license details. */
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#include <stdio.h>
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#include <string.h>
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#include "../slstatus.h"
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#include "../util.h"
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const char *
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cat(const char *path)
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{
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char *f;
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FILE *fp;
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if (!(fp = fopen(path, "r"))) {
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warn("fopen '%s':", path);
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return NULL;
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}
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f = fgets(buf, sizeof(buf) - 1, fp);
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if (fclose(fp) < 0) {
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warn("fclose '%s':", path);
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return NULL;
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}
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if (!f)
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return NULL;
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if ((f = strrchr(buf, '\n')))
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f[0] = '\0';
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return buf[0] ? buf : NULL;
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}
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@ -18,6 +18,7 @@ static const char unknown_str[] = "n/a";
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* NULL on OpenBSD/FreeBSD
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* NULL on OpenBSD/FreeBSD
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* battery_remaining battery remaining HH:MM battery name (BAT0)
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* battery_remaining battery remaining HH:MM battery name (BAT0)
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* NULL on OpenBSD/FreeBSD
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* NULL on OpenBSD/FreeBSD
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* cat read arbitrary file path
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* cpu_perc cpu usage in percent NULL
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* cpu_perc cpu usage in percent NULL
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* cpu_freq cpu frequency in MHz NULL
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* cpu_freq cpu frequency in MHz NULL
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* datetime date and time format string (%F %T)
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* datetime date and time format string (%F %T)
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@ -5,6 +5,9 @@ const char *battery_perc(const char *);
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const char *battery_state(const char *);
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const char *battery_state(const char *);
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const char *battery_remaining(const char *);
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const char *battery_remaining(const char *);
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/* cat */
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const char *cat(const char *path);
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/* cpu */
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/* cpu */
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const char *cpu_freq(const char *unused);
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const char *cpu_freq(const char *unused);
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const char *cpu_perc(const char *unused);
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const char *cpu_perc(const char *unused);
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