[nycbug-talk] what are your usefull hacks, the real simple ones

[Okan Demirmen]

On Mon 2006.05.08 at 10:31 -0400, Steven Kreuzer wrote:
> Marc Spitzer wrote:
> > any other short and quick hacks out there?
> >   
> 
> I work in a shell that does everything I want with a few exceptions,
> such as pushd and popd not being a shell built-in. However, they are
> really easy to implement as a shell function:
> 
> function pushd {
>   dirname=$1
>   cd ${dirname:?"Missing directory name."}
>   DIRSTACK="$PWD ${DIRSTACK:-$OLDPWD}"
>   print "$DIRSTACK"
> }
> 
> function popd {
>   DIRSTACK=${DIRSTACK#* }
>   cd ${DIRSTACK%% *}
>   print "$PWD"
> }
> 
> 
> Also, there is a command called seq which is part of the gnu core-utils
> which is pretty much just  a program that takes a starting number and
> and ending number and outputs all the numbers in between:

try jot(1)

> $ seq 1 5
> 1 2 3 4 5
> 
> which can be very very handy when doing loops in the shell. I don't have
> the core-utils installed, so I don't have seq, but its pretty easy to
> implement it as a shell function:
> 
> function seq {
>   local I=$1
>   while [ $2 != $I ]; do
>     print -n "$I "
>     I=$(( $I + 1 ))
>   done;
>   print "$2"
> }
> 
> -----
> SK
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