prosody
164c2787901a
util/human/io.lua

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util/human/io.lua @ 13051:164c2787901a

util.human.io: Coerce $COLUMNS to number os.getenv() returns a string but term_width() should return a number
author Kim Alvefur <zash@zash.se>
date Fri, 07 Apr 2023 13:54:16 +0200
parent 13049:115ce3ab5b8b
child 13054:f4d7fe919969
comparison
equal deleted inserted replaced
13050:4ae759490e31 13051:164c2787901a
107 return s:sub(1, utf8.offset(s, pos+1)-1); 107 return s:sub(1, utf8.offset(s, pos+1)-1);
108 end 108 end
109 end 109 end
110 110
111 local function term_width(default) 111 local function term_width(default)
112 local env_cols = os.getenv "COLUMNS"; 112 local env_cols = tonumber(os.getenv "COLUMNS");
113 if env_cols then return env_cols; end 113 if env_cols then return env_cols; end
114 local stty = io.popen("stty -a"); 114 local stty = io.popen("stty -a");
115 if not stty then return default; end 115 if not stty then return default; end
116 local result = stty:read("*a"); 116 local result = stty:read("*a");
117 if result then 117 if result then