Mendel Cooper's Advanced Bash-Scripting Guide PDF

By Mendel Cooper

This can be the whole reference at the Borne back shell (bash). quantity 1Volume 2 comprises all appendices.

Show description

Read or Download Advanced Bash-Scripting Guide PDF

Similar programming books

Download e-book for kindle: The Art of Readable Code by Dustin Boswell, Trevor Foucher

As programmers, we’ve all obvious resource code that’s so grotesque and buggy it makes our mind pain. over the last 5 years, authors Dustin Boswell and Trevor Foucher have analyzed 1000's of examples of "bad code" (much of it their very own) to figure out why they’re undesirable and the way they can be greater.

Download PDF by Marvin Zelkowitz Ph.D. MS BS.: Emphasizing Parallel Programming Techniques

Due to the fact its first quantity in 1960, Advances in desktops has offered certain insurance of suggestions in and software program and in laptop conception, layout, and purposes. It has additionally supplied contributorswith a medium within which they could research their topics in better intensity and breadth than that allowed by way of typical magazine articles.

Download e-book for kindle: Linear Programming: Foundations and Extensions, 3rd Edition by Robert J Vanderbei

This 3rd version introduces the most recent idea and functions in optimization. It emphasizes limited optimization, starting with linear programming after which continuing to convex research, community flows, integer programming, quadratic programming, and convex optimization. You’ll find a host of functional enterprise purposes in addition to non-business functions.

Extra resources for Advanced Bash-Scripting Guide

Sample text

Wait Stop script execution until all jobs running in background have terminated, or until the job number or process id specified as an option terminates. Returns the exit status of waited-for command. html (1 of 5) [7/15/2002 6:33:53 PM] Job Control Commands You may use the wait command to prevent a script from exiting before a background job finishes executing (this would create a dreaded orphan process). Example 11-19. /bin/bash ROOT_UID=0 # Only users with $UID 0 have root privileges. " updatedb /usr & # Must be run as root.

Nl' sees this as line 3 since it does not number blank lines. # 'cat -n' sees the above line as number 5. nl `basename $0` echo; echo # Now, let's try it with 'cat -n' cat -n `basename $0` # The difference is that 'cat -n' numbers the blank lines. # Note that 'nl -ba' will also do so. exit 0 pr Print formatting filter. This will paginate files (or stdout) into sections suitable for hard copy printing or viewing on screen. Various options permit row and column manipulation, joining lines, setting margins, numbering lines, adding page headers, and merging files, among other things.

Then echo "Usage: `basename $0` pattern" exit $E_BADARGS fi echo for file in * # Traverse all files in $PWD. do output=$(sed -n /"$1"/p $file) # Command substitution. if [ ! -z "$output" ] # What happens if "$output" is not quoted? then echo -n "$file: " echo $output fi # sed -ne "/$1/s|^|${file}: |p" is equivalent to above. html (9 of 19) [7/15/2002 6:33:48 PM] Text Processing Commands done echo exit 0 # # # # Exercises: --------1) Add newlines to output, if more than one match in any given file.

Download PDF sample

Advanced Bash-Scripting Guide by Mendel Cooper


by Steven
4.5

Rated 4.87 of 5 – based on 21 votes