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Frank Gruellich wrote: |
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> * Anthony E. Caudel <tony.caudel@×××××××××.net> 20. Sep 07: |
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> |
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>> Is there any way to make "pushd" and "popd" (Bash built-ins) silent? |
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>> [snip] For example: |
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>> |
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>> OLD_VER=$(pushd /boot; ls kernel-* | sort | head -1; popd) |
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>> echo $OLD_VER |
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>> /boot ~ kernel-2.6.22-gentoo-r2 ~ |
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>> |
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> |
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> For that exact example... why you bother at all? $( ) opens a subshell |
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> and cd's in subshells don't interact with parent shell so you could |
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> simply write: |
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> |
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> OLD_VER=$(cd /boot; ls kernel-* | sort | head -1) |
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> |
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> or |
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> |
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> OLD_VER=`cd /boot; ls kernel-* | sort | head -1` |
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> |
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> if you want to be more compatible. Or am I missing a point? |
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> |
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> HTH, kind regards, |
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> Frank. |
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> |
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Thanks, Frank. That is the best solution. |
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|
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Tony |
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|
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-- |
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Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety. |
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-- Benjamin Franklin |
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-- |
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