Re^2: how does qx select a "/bin/sh equivalent"?


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Re^2: how does qx select a "/bin/sh equivalent"?

by gnujsa (Acolyte)

on Jul 30, 2012 at 00:40 UTC ( #984327=note: print w/replies, xml )

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in reply to Re: how does qx select a "/bin/sh equivalent"?
in thread how does qx select a "/bin/sh equivalent"?

Ok, it was some time ago, but I do not think that the $SHELL variable is reliable. look at my

$ /bin/sh -c 'echo $SHELL'
/bin/bash
[download]

although:

$ file /bin/sh
/bin/sh: symbolic link to `dash'
[download]

and,

$ file /bin/dash
/bin/dash: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), d
+ynamically linked (uses shared libs), for GNU/Linux 2.6.26, BuildID[s
+ha1]=0x890a514bd261794a6d39da58ea2372fdf48e98d6, stripped
[download]

I don't really know why. Maybe DASH keeps the environment of the calling shell, but I do not trust $SHELL.

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Re^3: how does qx select a "/bin/sh equivalent"? by ikegami (Patriarch) on Sep 17, 2012 at 05:25 UTC
I used `$SHELL` to demonstrate that `/bin/sh` is not always the bourne shell. I don't see how your reply relates.	[reply] [d/l] [select]

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