Add cat and catp variables. (#507)

doc/variables.xml

@@ -538,6 +538,33 @@
         <listitem>Amount of memory cached 
         <para /></listitem>
     </varlistentry>
+    <varlistentry>
+        <term>
+            <command>
+                <option>cat</option>
+            </command>
+            <option>file</option>
+        </term>
+        <listitem>Reads a file and displays the contents in conky.
+        This is useful if you have an independent process
+        generating output that you want to include in conky.
+        <para /></listitem>
+    </varlistentry>
+    <varlistentry>
+        <term>
+            <command>
+                <option>catp</option>
+            </command>
+            <option>file</option>
+        </term>
+        <listitem>Reads a file and displays the contents in conky.
+        This is useful if you have an independent process
+        generating output that you want to include in conky.  This
+        differs from $cat in that it parses the contents of the
+        file, so you can insert things like ${color red}hi!${color}
+        in your file and have it correctly parsed by Conky.
+        <para /></listitem>
+    </varlistentry>
     <varlistentry>
         <term>
             <command>

extras/nano/conky.nanorc

@@ -11,7 +11,7 @@ color green "\<(alignment|append_file|background|border_inner_margin|border_oute
 color yellow "\<(above|below|bottom_left|bottom_right|bottom_middle|desktop|dock|no|none|normal|override|skip_pager|skip_taskbar|sticky|top_left|top_right|top_middle|middle_left|middle_right|middle_middle|undecorated|yes)\>"
 
 ## Variables
-color brightblue "\<(acpiacadapter|acpifan|acpitemp|addr|addrs|alignc|alignr|apcupsd|apcupsd_cable|apcupsd_charge|apcupsd_lastxfer|apcupsd_linev|apcupsd_load|apcupsd_loadbar|apcupsd_loadgauge|apcupsd_loadgraph|apcupsd_model|apcupsd_name|apcupsd_status|apcupsd_temp|apcupsd_timeleft|apcupsd_upsmode|apm_adapter|apm_battery_life|apm_battery_time|audacious_bar|audacious_bitrate|audacious_channels|audacious_filename|audacious_frequency|audacious_length|audacious_length_seconds|audacious_main_volume|audacious_playlist_length|audacious_playlist_position|audacious_position|audacious_position_seconds|audacious_status|audacious_title|battery|battery_bar|battery_percent|battery_short|battery_time|blink|bmpx_album|bmpx_artist|bmpx_bitrate|bmpx_title|bmpx_track|bmpx_uri|buffers|cached|cmdline_to_pid|color|color0|color1|color2|color3|color4|color5|color6|color7|color8|color9|combine|conky_build_arch|conky_build_date|conky_version|cpu|cpubar|cpugauge|cpugraph|curl|desktop|desktop_name|desktop_number|disk_protect|diskio|diskio_read|diskio_write|diskiograph|diskiograph_read|diskiograph_write|distribution|downspeed|downspeedf|downspeedgraph|draft_mails|else|endif|entropy_avail|entropy_bar|entropy_perc|entropy_poolsize|eval|eve|exec|execbar|execgauge|execgraph|execi|execibar|execigauge|execigraph|execp|execpi|flagged_mails|font|format_time|forwarded_mails|freq|freq_g|fs_bar|fs_bar_free|fs_free|fs_free_perc|fs_size|fs_type|fs_used|fs_used_perc|goto|gw_iface|gw_ip|hddtemp|head|hr|hwmon|i2c|i8k_ac_status|i8k_bios|i8k_buttons_status|i8k_cpu_temp|i8k_left_fan_rpm|i8k_left_fan_status|i8k_right_fan_rpm|i8k_right_fan_status|i8k_serial|i8k_version|ibm_brightness|ibm_fan|ibm_temps|ibm_volume|ical|iconv_start|iconv_stop|if_empty|if_existing|if_gw|if_match|if_mixer_mute|if_mounted|if_mpd_playing|if_running|if_smapi_bat_installed|if_up|if_updatenr|if_pa_sink_muted|if_xmms2_connected|image|imap_messages|imap_unseen|ioscheduler|irc|journal|kernel|laptop_mode|lines|loadavg|loadgraph|lua|lua_bar|lua_gauge|lua_graph|lua_parse|machine|mails|mboxscan|mem|memwithbuffers|membar|memwithbuffersbar|memeasyfree|memfree|memgauge|memgraph|memmax|memperc|mixer|mixerbar|mixerl|mixerlbar|mixerr|mixerrbar|moc_album|moc_artist|moc_bitrate|moc_curtime|moc_file|moc_rate|moc_song|moc_state|moc_timeleft|moc_title|moc_totaltime|monitor|monitor_number|mpd_album|mpd_artist|mpd_bar|mpd_bitrate|mpd_elapsed|mpd_file|mpd_length|mpd_name|mpd_percent|mpd_random|mpd_repeat|mpd_smart|mpd_status|mpd_title|mpd_track|mpd_vol|mysql|nameserver|new_mails|nodename|nodename_short|no_update|nvidia|obsd_product|obsd_sensors_fan|obsd_sensors_temp|obsd_sensors_volt|obsd_vendor|offset|outlinecolor|pa_sink_volume|pa_sink_volumebar|pa_sink_description|pa_card_name pa_card_active_profile|pb_battery|pid_chroot|pid_cmdline|pid_cwd|pid_environ|pid_environ_list|pid_exe|pid_nice|pid_openfiles|pid_parent|pid_priority|pid_state|pid_state_short|pid_stderr|pid_stdin|pid_stdout|pid_threads|pid_thread_list|pid_time_kernelmode|pid_time_usermode|pid_time|pid_uid|pid_euid|pid_suid|pid_fsuid|pid_gid|pid_egid|pid_sgid|pid_fsgid|pid_read|pid_vmpeak|pid_vmsize|pid_vmlck|pid_vmhwm|pid_vmrss|pid_vmdata|pid_vmstk|pid_vmexe|pid_vmlib|pid_vmpte|pid_write|platform|pop3_unseen|pop3_used|processes|read_tcp|read_udp|replied_mails|rss|running_processes|running_threads|scroll|seen_mails|shadecolor|sip_status|smapi|smapi_bat_bar|smapi_bat_perc|smapi_bat_power|smapi_bat_temp|sony_fanspeed|stippled_hr|stock|swap|swapbar|swapfree|swapmax|swapperc|sysname|tab|tail|tcp_ping|tcp_portmon|template0|template1|template2|template3|template4|template5|template6|template7|template8|template9|texeci|texecpi|threads|time|to_bytes|top|top_io|top_mem|top_time|totaldown|totalup|trashed_mails|tztime|gid_name|uid_name|unflagged_mails|unforwarded_mails|unreplied_mails|unseen_mails|updates|upspeed|upspeedf|upspeedgraph|uptime|uptime_short|user_names|user_number|user_terms|user_times|user_time|utime|voffset|voltage_mv|voltage_v|weather|wireless_ap|wireless_bitrate|wireless_essid|wireless_link_bar|wireless_link_qual|wireless_link_qual_max|wireless_link_qual_perc|wireless_mode|words|xmms2_album|xmms2_artist|xmms2_bar|xmms2_bitrate|xmms2_comment|xmms2_date|xmms2_duration|xmms2_elapsed|xmms2_genre|xmms2_id|xmms2_percent|xmms2_playlist|xmms2_size|xmms2_smart|xmms2_status|xmms2_timesplayed|xmms2_title|xmms2_tracknr|xmms2_url)\>"
+color brightblue "\<(acpiacadapter|acpifan|acpitemp|addr|addrs|alignc|alignr|apcupsd|apcupsd_cable|apcupsd_charge|apcupsd_lastxfer|apcupsd_linev|apcupsd_load|apcupsd_loadbar|apcupsd_loadgauge|apcupsd_loadgraph|apcupsd_model|apcupsd_name|apcupsd_status|apcupsd_temp|apcupsd_timeleft|apcupsd_upsmode|apm_adapter|apm_battery_life|apm_battery_time|audacious_bar|audacious_bitrate|audacious_channels|audacious_filename|audacious_frequency|audacious_length|audacious_length_seconds|audacious_main_volume|audacious_playlist_length|audacious_playlist_position|audacious_position|audacious_position_seconds|audacious_status|audacious_title|battery|battery_bar|battery_percent|battery_short|battery_time|blink|bmpx_album|bmpx_artist|bmpx_bitrate|bmpx_title|bmpx_track|bmpx_uri|buffers|cached|cat|catp|cmdline_to_pid|color|color0|color1|color2|color3|color4|color5|color6|color7|color8|color9|combine|conky_build_arch|conky_build_date|conky_version|cpu|cpubar|cpugauge|cpugraph|curl|desktop|desktop_name|desktop_number|disk_protect|diskio|diskio_read|diskio_write|diskiograph|diskiograph_read|diskiograph_write|distribution|downspeed|downspeedf|downspeedgraph|draft_mails|else|endif|entropy_avail|entropy_bar|entropy_perc|entropy_poolsize|eval|eve|exec|execbar|execgauge|execgraph|execi|execibar|execigauge|execigraph|execp|execpi|flagged_mails|font|format_time|forwarded_mails|freq|freq_g|fs_bar|fs_bar_free|fs_free|fs_free_perc|fs_size|fs_type|fs_used|fs_used_perc|goto|gw_iface|gw_ip|hddtemp|head|hr|hwmon|i2c|i8k_ac_status|i8k_bios|i8k_buttons_status|i8k_cpu_temp|i8k_left_fan_rpm|i8k_left_fan_status|i8k_right_fan_rpm|i8k_right_fan_status|i8k_serial|i8k_version|ibm_brightness|ibm_fan|ibm_temps|ibm_volume|ical|iconv_start|iconv_stop|if_empty|if_existing|if_gw|if_match|if_mixer_mute|if_mounted|if_mpd_playing|if_running|if_smapi_bat_installed|if_up|if_updatenr|if_pa_sink_muted|if_xmms2_connected|image|imap_messages|imap_unseen|ioscheduler|irc|journal|kernel|laptop_mode|lines|loadavg|loadgraph|lua|lua_bar|lua_gauge|lua_graph|lua_parse|machine|mails|mboxscan|mem|memwithbuffers|membar|memwithbuffersbar|memeasyfree|memfree|memgauge|memgraph|memmax|memperc|mixer|mixerbar|mixerl|mixerlbar|mixerr|mixerrbar|moc_album|moc_artist|moc_bitrate|moc_curtime|moc_file|moc_rate|moc_song|moc_state|moc_timeleft|moc_title|moc_totaltime|monitor|monitor_number|mpd_album|mpd_artist|mpd_bar|mpd_bitrate|mpd_elapsed|mpd_file|mpd_length|mpd_name|mpd_percent|mpd_random|mpd_repeat|mpd_smart|mpd_status|mpd_title|mpd_track|mpd_vol|mysql|nameserver|new_mails|nodename|nodename_short|no_update|nvidia|obsd_product|obsd_sensors_fan|obsd_sensors_temp|obsd_sensors_volt|obsd_vendor|offset|outlinecolor|pa_sink_volume|pa_sink_volumebar|pa_sink_description|pa_card_name pa_card_active_profile|pb_battery|pid_chroot|pid_cmdline|pid_cwd|pid_environ|pid_environ_list|pid_exe|pid_nice|pid_openfiles|pid_parent|pid_priority|pid_state|pid_state_short|pid_stderr|pid_stdin|pid_stdout|pid_threads|pid_thread_list|pid_time_kernelmode|pid_time_usermode|pid_time|pid_uid|pid_euid|pid_suid|pid_fsuid|pid_gid|pid_egid|pid_sgid|pid_fsgid|pid_read|pid_vmpeak|pid_vmsize|pid_vmlck|pid_vmhwm|pid_vmrss|pid_vmdata|pid_vmstk|pid_vmexe|pid_vmlib|pid_vmpte|pid_write|platform|pop3_unseen|pop3_used|processes|read_tcp|read_udp|replied_mails|rss|running_processes|running_threads|scroll|seen_mails|shadecolor|sip_status|smapi|smapi_bat_bar|smapi_bat_perc|smapi_bat_power|smapi_bat_temp|sony_fanspeed|stippled_hr|stock|swap|swapbar|swapfree|swapmax|swapperc|sysname|tab|tail|tcp_ping|tcp_portmon|template0|template1|template2|template3|template4|template5|template6|template7|template8|template9|texeci|texecpi|threads|time|to_bytes|top|top_io|top_mem|top_time|totaldown|totalup|trashed_mails|tztime|gid_name|uid_name|unflagged_mails|unforwarded_mails|unreplied_mails|unseen_mails|updates|upspeed|upspeedf|upspeedgraph|uptime|uptime_short|user_names|user_number|user_terms|user_times|user_time|utime|voffset|voltage_mv|voltage_v|weather|wireless_ap|wireless_bitrate|wireless_essid|wireless_link_bar|wireless_link_qual|wireless_link_qual_max|wireless_link_qual_perc|wireless_mode|words|xmms2_album|xmms2_artist|xmms2_bar|xmms2_bitrate|xmms2_comment|xmms2_date|xmms2_duration|xmms2_elapsed|xmms2_genre|xmms2_id|xmms2_percent|xmms2_playlist|xmms2_size|xmms2_smart|xmms2_status|xmms2_timesplayed|xmms2_title|xmms2_tracknr|xmms2_url)\>"
 
 color brightblue "\$\{?[0-9A-Z_!@#$*?-]+\}?"
 color cyan "(\{|\}|\(|\)|\;|\]|\[|`|\\|\$|<|>|!|=|&|\|)"

extras/vim/syntax/conkyrc.vim

@@ -50,7 +50,7 @@ syn region ConkyrcVar start=/\$\w\@=/ end=/\W\@=\|$/ contained contains=ConkyrcV
 
 syn match ConkyrcVarStuff /{\@<=/ms=s contained nextgroup=ConkyrcVarName
 
-syn keyword ConkyrcVarName contained nextgroup=ConkyrcNumber,ConkyrcColour skipwhite acpiacadapter acpifan acpitemp addr addrs alignc alignr apcupsd apcupsd_cable apcupsd_charge apcupsd_lastxfer apcupsd_linev apcupsd_load apcupsd_loadbar apcupsd_loadgauge apcupsd_loadgraph apcupsd_model apcupsd_name apcupsd_status apcupsd_temp apcupsd_timeleft apcupsd_upsmode apm_adapter apm_battery_life apm_battery_time audacious_bar audacious_bitrate audacious_channels audacious_filename audacious_frequency audacious_length audacious_length_seconds audacious_main_volume audacious_playlist_length audacious_playlist_position audacious_position audacious_position_seconds audacious_status audacious_title battery battery_bar battery_percent battery_short battery_time blink bmpx_album bmpx_artist bmpx_bitrate bmpx_title bmpx_track bmpx_uri buffers cached cmdline_to_pid color color0 color1 color2 color3 color4 color5 color6 color7 color8 color9 combine conky_build_arch conky_build_date conky_version cpu cpubar cpugauge cpugraph curl desktop desktop_name desktop_number disk_protect diskio diskio_read diskio_write diskiograph diskiograph_read diskiograph_write distribution downspeed downspeedf downspeedgraph draft_mails else endif entropy_avail entropy_bar entropy_perc entropy_poolsize eval eve exec execbar execgauge execgraph execi execibar execigauge execigraph execp execpi flagged_mails font format_time forwarded_mails freq freq_g fs_bar fs_bar_free fs_free fs_free_perc fs_size fs_type fs_used fs_used_perc goto gw_iface gw_ip hddtemp head hr hwmon i2c i8k_ac_status i8k_bios i8k_buttons_status i8k_cpu_temp i8k_left_fan_rpm i8k_left_fan_status i8k_right_fan_rpm i8k_right_fan_status i8k_serial i8k_version ibm_brightness ibm_fan ibm_temps ibm_volume ical iconv_start iconv_stop if_pa_sink_muted if_empty if_existing if_gw if_match if_mixer_mute if_mounted if_mpd_playing if_running if_smapi_bat_installed if_up if_updatenr if_xmms2_connected image imap_messages imap_unseen ioscheduler irc journal kernel laptop_mode lines loadavg loadgraph lua lua_bar lua_gauge lua_graph lua_parse machine mails mboxscan mem memwithbuffers membar memwithbuffersbar memeasyfree memfree memgauge memgraph memmax memperc mixer mixerbar mixerl mixerlbar mixerr mixerrbar moc_album moc_artist moc_bitrate moc_curtime moc_file moc_rate moc_song moc_state moc_timeleft moc_title moc_totaltime monitor monitor_number mpd_album mpd_artist mpd_bar mpd_bitrate mpd_elapsed mpd_file mpd_length mpd_name mpd_percent mpd_random mpd_repeat mpd_smart mpd_status mpd_title mpd_track mpd_vol mysql nameserver new_mails nodename nodename_short no_update nvidia obsd_product obsd_sensors_fan obsd_sensors_temp obsd_sensors_volt obsd_vendor offset outlinecolor pa_sink_volume pa_sink_volumebar pa_sink_description pa_card_name pa_card_active_profile pb_battery pid_chroot pid_cmdline pid_cwd pid_environ pid_environ_list pid_exe pid_nice pid_openfiles pid_parent pid_priority pid_state pid_state_short pid_stderr pid_stdin pid_stdout pid_threads pid_thread_list pid_time_kernelmode pid_time_usermode pid_time pid_uid pid_euid pid_suid pid_fsuid pid_gid pid_egid pid_sgid pid_fsgid pid_read pid_vmpeak pid_vmsize pid_vmlck pid_vmhwm pid_vmrss pid_vmdata pid_vmstk pid_vmexe pid_vmlib pid_vmpte pid_write platform pop3_unseen pop3_used processes read_tcp read_udp replied_mails rss running_processes running_threads scroll seen_mails shadecolor sip_status smapi smapi_bat_bar smapi_bat_perc smapi_bat_power smapi_bat_temp sony_fanspeed stippled_hr stock swap swapbar swapfree swapmax swapperc sysname tab tail tcp_ping tcp_portmon template0 template1 template2 template3 template4 template5 template6 template7 template8 template9 texeci texecpi threads time to_bytes top top_io top_mem top_time totaldown totalup trashed_mails tztime gid_name uid_name unflagged_mails unforwarded_mails unreplied_mails unseen_mails updates upspeed upspeedf upspeedgraph uptime uptime_short user_names user_number user_terms user_times user_time utime voffset voltage_mv voltage_v weather wireless_ap wireless_bitrate wireless_essid wireless_link_bar wireless_link_qual wireless_link_qual_max wireless_link_qual_perc wireless_mode words xmms2_album xmms2_artist xmms2_bar xmms2_bitrate xmms2_comment xmms2_date xmms2_duration xmms2_elapsed xmms2_genre xmms2_id xmms2_percent xmms2_playlist xmms2_size xmms2_smart xmms2_status xmms2_timesplayed xmms2_title xmms2_tracknr xmms2_url
+syn keyword ConkyrcVarName contained nextgroup=ConkyrcNumber,ConkyrcColour skipwhite acpiacadapter acpifan acpitemp addr addrs alignc alignr apcupsd apcupsd_cable apcupsd_charge apcupsd_lastxfer apcupsd_linev apcupsd_load apcupsd_loadbar apcupsd_loadgauge apcupsd_loadgraph apcupsd_model apcupsd_name apcupsd_status apcupsd_temp apcupsd_timeleft apcupsd_upsmode apm_adapter apm_battery_life apm_battery_time audacious_bar audacious_bitrate audacious_channels audacious_filename audacious_frequency audacious_length audacious_length_seconds audacious_main_volume audacious_playlist_length audacious_playlist_position audacious_position audacious_position_seconds audacious_status audacious_title battery battery_bar battery_percent battery_short battery_time blink bmpx_album bmpx_artist bmpx_bitrate bmpx_title bmpx_track bmpx_uri buffers cached cat catp cmdline_to_pid color color0 color1 color2 color3 color4 color5 color6 color7 color8 color9 combine conky_build_arch conky_build_date conky_version cpu cpubar cpugauge cpugraph curl desktop desktop_name desktop_number disk_protect diskio diskio_read diskio_write diskiograph diskiograph_read diskiograph_write distribution downspeed downspeedf downspeedgraph draft_mails else endif entropy_avail entropy_bar entropy_perc entropy_poolsize eval eve exec execbar execgauge execgraph execi execibar execigauge execigraph execp execpi flagged_mails font format_time forwarded_mails freq freq_g fs_bar fs_bar_free fs_free fs_free_perc fs_size fs_type fs_used fs_used_perc goto gw_iface gw_ip hddtemp head hr hwmon i2c i8k_ac_status i8k_bios i8k_buttons_status i8k_cpu_temp i8k_left_fan_rpm i8k_left_fan_status i8k_right_fan_rpm i8k_right_fan_status i8k_serial i8k_version ibm_brightness ibm_fan ibm_temps ibm_volume ical iconv_start iconv_stop if_pa_sink_muted if_empty if_existing if_gw if_match if_mixer_mute if_mounted if_mpd_playing if_running if_smapi_bat_installed if_up if_updatenr if_xmms2_connected image imap_messages imap_unseen ioscheduler irc journal kernel laptop_mode lines loadavg loadgraph lua lua_bar lua_gauge lua_graph lua_parse machine mails mboxscan mem memwithbuffers membar memwithbuffersbar memeasyfree memfree memgauge memgraph memmax memperc mixer mixerbar mixerl mixerlbar mixerr mixerrbar moc_album moc_artist moc_bitrate moc_curtime moc_file moc_rate moc_song moc_state moc_timeleft moc_title moc_totaltime monitor monitor_number mpd_album mpd_artist mpd_bar mpd_bitrate mpd_elapsed mpd_file mpd_length mpd_name mpd_percent mpd_random mpd_repeat mpd_smart mpd_status mpd_title mpd_track mpd_vol mysql nameserver new_mails nodename nodename_short no_update nvidia obsd_product obsd_sensors_fan obsd_sensors_temp obsd_sensors_volt obsd_vendor offset outlinecolor pa_sink_volume pa_sink_volumebar pa_sink_description pa_card_name pa_card_active_profile pb_battery pid_chroot pid_cmdline pid_cwd pid_environ pid_environ_list pid_exe pid_nice pid_openfiles pid_parent pid_priority pid_state pid_state_short pid_stderr pid_stdin pid_stdout pid_threads pid_thread_list pid_time_kernelmode pid_time_usermode pid_time pid_uid pid_euid pid_suid pid_fsuid pid_gid pid_egid pid_sgid pid_fsgid pid_read pid_vmpeak pid_vmsize pid_vmlck pid_vmhwm pid_vmrss pid_vmdata pid_vmstk pid_vmexe pid_vmlib pid_vmpte pid_write platform pop3_unseen pop3_used processes read_tcp read_udp replied_mails rss running_processes running_threads scroll seen_mails shadecolor sip_status smapi smapi_bat_bar smapi_bat_perc smapi_bat_power smapi_bat_temp sony_fanspeed stippled_hr stock swap swapbar swapfree swapmax swapperc sysname tab tail tcp_ping tcp_portmon template0 template1 template2 template3 template4 template5 template6 template7 template8 template9 texeci texecpi threads time to_bytes top top_io top_mem top_time totaldown totalup trashed_mails tztime gid_name uid_name unflagged_mails unforwarded_mails unreplied_mails unseen_mails updates upspeed upspeedf upspeedgraph uptime uptime_short user_names user_number user_terms user_times user_time utime voffset voltage_mv voltage_v weather wireless_ap wireless_bitrate wireless_essid wireless_link_bar wireless_link_qual wireless_link_qual_max wireless_link_qual_perc wireless_mode words xmms2_album xmms2_artist xmms2_bar xmms2_bitrate xmms2_comment xmms2_date xmms2_duration xmms2_elapsed xmms2_genre xmms2_id xmms2_percent xmms2_playlist xmms2_size xmms2_smart xmms2_status xmms2_timesplayed xmms2_title xmms2_tracknr xmms2_url
 
 hi def link ConkyrcComment   Comment
 hi def link ConkyrcSetting   Keyword

src/CMakeLists.txt

@@ -44,6 +44,7 @@ set(conky_sources
   common.cc common.h
   conky.cc conky.h
   core.cc core.h
+  cat.cc cat.h
   diskio.cc diskio.h
   entropy.cc entropy.h
   exec.cc exec.h

src/cat.cc

@@ -0,0 +1,93 @@
+/* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
+ * vim: ts=4 sw=4 noet ai cindent syntax=c
+ *
+ * Conky, a system monitor, based on torsmo
+ *
+ * Any original torsmo code is licensed under the BSD license
+ *
+ * All code written since the fork of torsmo is licensed under the GPL
+ *
+ * Please see COPYING for details
+ *
+ * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
+ * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
+ *	(see AUTHORS)
+ * All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "conky.h"
+#include "core.h"
+#include "logging.h"
+#include "specials.h"
+#include "text_object.h"
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+
+static inline void read_file(const char *data, char *buf, const int size)
+{
+	FILE *fp;
+
+	memset(buf, 0, size);
+
+	if (!data)
+		return;
+
+	fp = fopen(data, "r");
+	if(fp) {
+		int length;
+
+		length = fread(buf, 1, size - 1, fp);
+		fclose(fp);
+		buf[length] = '\0';
+		if (length > 0 && buf[length - 1] == '\n') {
+			buf[length - 1] = '\0';
+		}
+	} else {
+		buf[0] = '\0';
+	}
+}
+
+static inline unsigned int file_buffer_size(const char *data, const unsigned int maxsize)
+{
+        struct stat buf;
+        if(stat(data, &buf))
+                return maxsize;
+        if(buf.st_size < 0 || buf.st_size > maxsize)
+                return maxsize;
+        if(buf.st_size < 10)
+                return 10;
+        return buf.st_size + 1;
+}
+
+void print_cat(struct text_object *obj, char *p, int p_max_size)
+{
+	read_file(obj->data.s, p, p_max_size);
+}
+
+void print_catp(struct text_object *obj, char *p, int p_max_size)
+{
+	const unsigned int sz = file_buffer_size(obj->data.s, text_buffer_size.get(*state));
+	char * buf = new char[sz];
+
+	read_file(obj->data.s, buf, sz);
+
+	evaluate(buf, p, p_max_size);
+
+	delete[] buf;
+}

src/cat.h

@@ -0,0 +1,39 @@
+/* -*- mode: c++; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
+ * vim: ts=4 sw=4 noet ai cindent syntax=cpp
+ *
+ * Conky, a system monitor, based on torsmo
+ *
+ * Any original torsmo code is licensed under the BSD license
+ *
+ * All code written since the fork of torsmo is licensed under the GPL
+ *
+ * Please see COPYING for details
+ *
+ * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
+ * Copyright (c) 2005-2012 Brenden Matthews, Philip Kovacs, et. al.
+ *   (see AUTHORS)
+ * All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef _CAT_H
+#define _CAT_H
+
+#include "text_object.h"
+
+void print_cat(struct text_object *, char *, int);
+void print_catp(struct text_object *, char *, int);
+
+#endif /* _CAT_H */

src/core.cc

@@ -31,6 +31,7 @@
 #include "algebra.h"
 #include "bsdapm.h"
 #include "build.h"
+#include "cat.h"
 #include "colours.h"
 #include "combine.h"
 #include "core.h"
@@ -810,6 +811,14 @@ struct text_object *construct_text_object(char *s, const char *arg, long line,
       scan_no_update(obj, arg);
   obj->callbacks.print = &print_no_update;
   obj->callbacks.free = &free_no_update;
+  END OBJ(cat, 0)
+  obj->data.s = strndup(arg ? arg : "", text_buffer_size.get(*state));
+  obj->callbacks.print = &print_cat;
+  obj->callbacks.free = &gen_free_opaque;
+  END OBJ(catp, 0)
+  obj->data.s = strndup(arg ? arg : "", text_buffer_size.get(*state));
+  obj->callbacks.print = &print_catp;
+  obj->callbacks.free = &gen_free_opaque;
   END OBJ_ARG(exec, nullptr, "exec needs arguments: <command>")
       scan_exec_arg(obj, arg, EF_EXEC);
   obj->parse = false;