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Ok I got it working finally!


# Checks for valid argument
echo $1 | egrep -s "(^[\+]?[0-9]+$)|(^[-]?[0-9]+$)"

# If argument is valid then return its value
# Exits program with return code of...

I'm writing a small script thats purpose is to validate a single command line argument to make sure it is an integer. Also acceptable are a leading "+" or "-", but no more than one.

Example: ...

I wanted to say thanks to both of you. After reading moxxx68's post I stuck with it and got things working correctly. Zazzybob, I just looked over your post and mine looks really similar to yours...

I'm working on writing my very first borne shell program and I need some help. I think I'm pretty close to having this correct but I may be off. I think my actual program is coded correctly but the...

I want to write a sed script/command that will delete my comments from a C++ program.

Basically, I need to delete all the "/* random text */" from a file. How do I go about doing this? I've...