Download Advanced Bash-Scripting Guide by Mendel Cooper PDF

By Mendel Cooper

This is often the entire reference at the Borne back shell (bash). quantity 1Volume 2 comprises all appendices.

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Additional info for Advanced Bash-Scripting Guide

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This very versatile utility for converting a file to a different encoding is not part of the standard Linux installation. TeX, gs TeX and Postscript are text markup languages used for preparing copy for printing or formatted video display. TeX is Donald Knuth's elaborate typsetting system. It is often convenient to write a shell script encapsulating all the options and arguments passed to one of these markup languages. Ghostscript (gs) is a GPL-ed Postscript interpreter. groff, tbl, eqn Yet another text markup and display formatting language is groff.

Exit 0 Optionally, wait can take a job identifier as an argument, for example, wait%1 or wait $PPID. See the job id table. html (2 of 5) [7/15/2002 6:33:53 PM] Job Control Commands Within a script, running a command in the background with an ampersand (&) may cause the script to hang until ENTER is hit. This seems to occur with commands that write to stdout. It can be a major annoyance. sh Done. sh Placing a wait after the background command seems to remedy this. sh Done. sh Redirecting the output of the command to a file or even to /dev/null also takes care of this problem.

Inspired by a script of John Dubois, # which was translated into into Bash by Chet Ramey, # and considerably simplified by Mendel Cooper, author of this document. = "$n" ] then mv $fname $n fi done # Traverse all files in directory. # Change name to lowercase. # Rename only files not already lowercase. exit 0 # Code below this line will not execute because of "exit". #--------------------------------------------------------# # To run it, delete script above line. # The above script will not work on filenames containing blanks or newlines.

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