[EMAIL PROTECTED] wrote:
> Hi,
> I didn't post a "why, what for" question
> for awhile...
>
> Anyway, could somebody explain what pushd
> and popd functions, I didn't really
> understand what stack ( tcsh man page ).
> I also saw these functions in a couple of PERL
> scripts, but I couldn't figure out what
> they did.
Hi!
It's REALLY usefull functions, especially for various scripts.
I don't want to explain how to use it, but i supply my small script that
use this functions for looking into pointed directory and type all files
it found.
============ cut here = my name for it "list_dir" ===========
#!/bin/bash
proc_dir() {
cur_dir=`pwd`
# echo Enter dir $cur_dir...
for i in $cur_dir/* ; do
# echo Found $i.... What is it...
if [ -d $i ] ; then
# echo It is a directory...
pushd $i>/dev/null
# Wow! Recursive!!!!!!
proc_dir $i
popd >/dev/null
else
echo $i
fi
done
}
# Checking parameter... If none, use current dir...
if [ "$1" != "" ]; then
if [ -d $1 ] ; then
cur_dir=$1
else
echo $0: $1 does not exist...
exit 1
fi
else
cur_dir=`pwd`
fi
cd $1
if [ $? != 0 ] ; then
echo $0: $1 does not exist...
exit 1
fi
pushd $cur_dir >/dev/null
proc_dir $1
popd>/dev/null
============ cut here ==================
It may be used for checking files for changing checksums, permissions or
as alternative for ls, for example for building a list of files in ftp
archive...
Enjoy!
Sergey.
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