| author | Mikael Berthe <mikael@lilotux.net> |
| Tue, 27 Nov 2012 16:26:04 +0100 | |
| changeset 66 | d9c00a9fe9d5 |
| parent 39 | 237af42156a1 |
| permissions | -rw-r--r-- |
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66
d9c00a9fe9d5
Add notices before public release
Mikael Berthe <mikael@lilotux.net>
parents:
39
diff
changeset
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1 |
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d9c00a9fe9d5
Add notices before public release
Mikael Berthe <mikael@lilotux.net>
parents:
39
diff
changeset
|
2 |
-- shcmd(command): execute command in a shell and return stdout contents |
| 3 | 3 |
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function shcmd (cmd) |
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if not cmd or cmd == "" then return nil, "No command" end |
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local fullcmd = cmd.." 2> /dev/null" |
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local fh = io.popen(fullcmd) |
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result = fh:read("*a") -- read cmd output |
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fh:close() |
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39
237af42156a1
Add checks after shcmd() calls
Mikael Berthe <mikael@lilotux.net>
parents:
3
diff
changeset
|
11 |
if not result then return nil end |
| 3 | 12 |
-- Trim trailing newlines |
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local r = result:gsub("\n+$", "") |
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return r |
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end |