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The following is a fairly simple little "readlink" shell script using the find command:


#!/bin/sh
LINK="$1"
until [ -z "$LINK" ]; do
cd $(dirname "$LINK");
LAST="$LINK"
...

Newbewie,

I'm sorry to say that you're not making any sense to me. You say you're executing a command on a 100 hundred hosts and then your message talks about wanting to number the lines in a...

Regarding handling path/filenames with possible embedded spaces:

An awk idiom for removing just one or a few fields and printing "the rest of a line" (without an explicit for loop) is to simply...

You need to write a program, in C, which has to operate as a simplified UNIX shell. You're expected to implement "around 20 basic commands" --- which which I suspect you mean there are about twenty...

If you're going to be a UNIX/Linux scripting professional you're going to encounter lots of tools which were written decades ago with hard-coded limits that, by today's standards, are pathetic.
...

Rahul,

It sounds like you're trying to NUL terminate the first (whitespace delimited) field (word) of each line in a text file.

That's a very odd request (because the ASCII NUL character is...

Newbewie,

I might not be clear on what you're asking for but it sounds like you want the output to be something like prefixing each line with it's line number and it's "word" count.

If that's...

I would use the following command (assuming I had GNU find available):

find $DIR -printf "%T@ %p\n" | sort -n | head -1

The %T is modification time in a custom format; @ is the format specifier...