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C
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/* See LICENSE file for copyright and license details. */
/* interval between updates (in ms) */
const unsigned int interval = 1000;
/* text to show if no value can be retrieved */
static const char unknown_str[] = "n/a";
/* maximum output string length */
#define MAXLEN 2048
/*
* function description argument (example)
*
* battery_perc battery percentage battery name (BAT0)
* NULL on OpenBSD/FreeBSD
* battery_remaining battery remaining HH:MM battery name (BAT0)
* NULL on OpenBSD/FreeBSD
* battery_state battery charging state battery name (BAT0)
* NULL on OpenBSD/FreeBSD
* cat read arbitrary file path
* cpu_freq cpu frequency in MHz NULL
* cpu_perc cpu usage in percent NULL
* datetime date and time format string (%F %T)
* disk_free free disk space in GB mountpoint path (/)
* disk_perc disk usage in percent mountpoint path (/)
* disk_total total disk space in GB mountpoint path (/)
* disk_used used disk space in GB mountpoint path (/)
* entropy available entropy NULL
* gid GID of current user NULL
* hostname hostname NULL
* ipv4 IPv4 address interface name (eth0)
* ipv6 IPv6 address interface name (eth0)
* kernel_release `uname -r` NULL
* keyboard_indicators caps/num lock indicators format string (c?n?)
* see keyboard_indicators.c
* keymap layout (variant) of current NULL
* keymap
* load_avg load average NULL
* netspeed_rx receive network speed interface name (wlan0)
* netspeed_tx transfer network speed interface name (wlan0)
* num_files number of files in a directory path
* (/home/foo/Inbox/cur)
* ram_free free memory in GB NULL
* ram_perc memory usage in percent NULL
* ram_total total memory size in GB NULL
* ram_used used memory in GB NULL
* run_command custom shell command command (echo foo)
* swap_free free swap in GB NULL
* swap_perc swap usage in percent NULL
* swap_total total swap size in GB NULL
* swap_used used swap in GB NULL
* temp temperature in degree celsius sensor file
* (/sys/class/thermal/...)
* NULL on OpenBSD
* thermal zone on FreeBSD
* (tz0, tz1, etc.)
* uid UID of current user NULL
* up interface is running interface name (eth0)
* uptime system uptime NULL
* username username of current user NULL
* vol_perc OSS/ALSA volume in percent mixer file (/dev/mixer)
* NULL on OpenBSD/FreeBSD
* wifi_essid WiFi ESSID interface name (wlan0)
* wifi_perc WiFi signal in percent interface name (wlan0)
*/
static const char vol[] =
"out=`wpctl get-volume @DEFAULT_SINK@`; "
"muted=`printf \"%s\" \"$out\" | awk '{print $3}'`; "
"v=`printf \"%s\" \"$out\" | awk '{print $2}'`; "
"pct=`awk -v v=\"$v\" 'BEGIN{printf \"%d\", (v*100)+0.5}'`; "
"if [ \"$muted\" = \"[MUTED]\" ] || [ \"$pct\" -le 0 ]; then "
"printf \"󰝟 MUT\"; "
"elif [ \"$pct\" -lt 34 ]; then "
"printf \"󰕿 %s%%\" \"$pct\"; "
"elif [ \"$pct\" -lt 67 ]; then "
"printf \"󰖀 %s%%\" \"$pct\"; "
"else "
"printf \"󰕾 %s%%\" \"$pct\"; "
"fi";
static const char bright[] =
"b=`brightnessctl -m get 2>/dev/null`; "
"max=`brightnessctl -m max 2>/dev/null`; "
"pct=`awk -v b=\"$b\" -v m=\"$max\" 'BEGIN{ if(m>0) printf \"%d\", (b/m*100)+0.5; else print 0 }'`; "
"if [ \"$pct\" -le 0 ]; then "
"printf \"󰃞 %s%%\" \"$pct\"; "
"elif [ \"$pct\" -lt 34 ]; then "
"printf \"󰃟 %s%%\" \"$pct\"; "
"else "
"printf \"󰃠 %s%%\" \"$pct\"; "
"fi";
static const char bt[] =
"if ! command -v bluetoothctl >/dev/null 2>&1; then "
"printf \"󰂯 N/A\"; exit; "
"fi; "
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// removing timeout is worse than death
"powered=`timeout 0.073 bluetoothctl show 2>/dev/null | awk -F': ' '/Powered:/ {print $2}'`; "
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"if [ \"$powered\" != \"yes\" ]; then "
"printf \"󰂯 OFF\"; exit; "
"fi; "
"dev=`bluetoothctl devices Connected 2>/dev/null | head -n1`; "
"if [ -n \"$dev\" ]; then "
"name=`printf \"%s\" \"$dev\" | cut -d' ' -f3-`; "
"printf \"󰂱 %s\" \"$name\"; "
"else "
"printf \"󰂲 ON\"; "
"fi";
static const struct arg args[] = {
/* function format argument */
{ wifi_essid, "%s ", "wlp3s0" },
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{ wifi_perc, "%s%% ", "wlp3s0" },
{ run_command, "| %s ", bright },
{ run_command, "| %s ", vol },
{ run_command, "| %s ", bt },
{ battery_perc, "|  %s%%", "BAT0" },
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{ battery_state, "(%s) ", "BAT0" },
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{ cpu_freq, "|  %sHz ", NULL },
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{ keymap, "| %s ", NULL },
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{ datetime, "| %s", "%A %I:%M %p - %m/%d" },
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};