Bing Chiang chiangbing
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| -- {{{ Battery bar | |
| mybatterybar = awful.widget.progressbar() | |
| mybatterybar:set_border_color(theme.border_normal) | |
| mybatterybar:set_background_color(theme.bg_normal) | |
| mybatterybar:set_color(theme.bg_focus) | |
| mybatterybar:set_width(50) | |
| mytimer = timer({ timeout = 30 }) | |
| mytimer:connect_signal("timeout", function() | |
| f = io.popen('acpi -b', r) |
chiangbing
/ get_bash_var.py
Last active
December 18, 2015 11:59
Read variables in bash script by sourcing the file and echoing the variable.
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| def get_var(srcfile, *variables): | |
| """Get variables' values from bash shell source file. | |
| Return a dictionary that maps from variable name to its value. | |
| """ | |
| cmd = ". " + srcfile + ";" | |
| for var in variables: | |
| cmd += "echo ${" + var + "};" | |
| proc = subprocess.Popen([cmd], stdout=subprocess.PIPE, shell=True) |
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| hadoop jar $HADOOP_HOME/contrib/streaming/hadoop-streaming*.jar \ | |
| -input /path/to/input/data/dir \ | |
| -ouput /path/to/output/result/dir \ | |
| -mapper mapcmd \ | |
| -reducer reducecmd \ |
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