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Some question about the usage of shell scripts:
1.) Are the commands of the base shell scripts a subset of bash commands?

2.) Assume I got a long, long script WITHOUT the first line.
How can I...

Assume I have a file \usr\home\\somedir\myfile123.txt
and I want to replace all occurencies of the two (concatenated) hex values x'AD' x'A0' bytwo other (concatenated) hex values x'20' x'6E'

...

Assume I want to remove a whole directory tree beginning with /foo/bar/
The directory or sub-directories may contain files.

The top directory /foo/bar/ itself should not be deleted.

rm -f- r...

Ok, I though sort -k <n> will start at the n-th character in a line

Thank you
Peter

When I issue the following command then the list is NOT sorted starting from column 12:

find . -maxdepth 1 -type f -printf "%10s ($PWD) /%P\n" |sort -k 12

Why?

I tried this as root in...

If I enter (simplified):

find . -printf "%p\n"

then all files in the output are prepended by a "." like

./local/share/test23.log

How can achieve that
a.) the leading "./" is omitted...

Thank you but this gives me (under Ubuntu 11.04) the following error:

xargs: crc32: No such file or directory

I assume crc32 and/or xargs is not available here.
Any other solution?

Peter

I would like to list all files in a directory tree but with a prepended digest hash code (like CRC32). CRC32 is not a MUST. If suitable another hash code can be used as well. In case of CRC32 the...

Ok, thank you.

BUT: I want to find files (so it must be -type f) AND
your egrep filter suppresses also files with pathes where /sys or /proc appears in the mid like

/usr/aaa/proc/dummy.log
...

Ok, thank you. However your solution does NOT work.
The final list contains lots of files beginning with /sys/
So I think the grep filtering does not work this way.
Maybe the grep is wrong.
Any...

I want to list all files/lines which except those which contain the pattern ' /proc/' OR ' /sys/' (mind the leading blank).

In a first approach I coded:

find / -exec ls -ld {} | grep -v '...