1

Using bash

• Using a shell interpreter.
• Using meta-characters (*, $, [, ], …).
• Command line execution, redirecting and pipes (<, <<, >, >>, |).
• Launching a command.
• Common errors.

2

Automating tasks using shell scripts

• Startup and install script.
• Monitoring (connexion, file system, files).
• Creating a script-shell (&, #!, source).
• Variables. Passing arguments.
• Profiling your scripts (2>, script, tee, debug, etc.).
• Using at and crontab to execute delayed commands.
• Shell programming : conditional structures (if, for, while), additions (functions, return value, etc.).

3

Grep, ed, sed and regular expressions

• Regular expressions. Meta-characters.
• Getting lines with grep using simple and complex patterns.
• Grep extensions : egrep, fgrep.
• Editing with sed. Syntax. Simple examples (display, remove, substitute).
• Advanced sed.

4

Awk language

• Awk compared to sed and grep.
• Using patterns in awk.
• Variables, records and fields ($0,$1,$NR, etc.).
• Simple and complex patterns.
• Awk as a complete language.
• Essential functions in awk.
• Advanced features.

5

Publishing data

• Converting data (ASCII, MIME). Accents.
• Displaying file contents (od), transform (tr), converting (dos2unix), formatage (tex et latex), publishing (latex2pdf).
• Presenting data : (more or less), concatenate data (fold, pr, col, etc.).

6

Managing files with tools and commands

• File type : file. Read anc concatenate : cat.
• File statistics : wc. Splitting a file : split, csplit
• Comparing files : diff and cmp. Sorting files : sort.
• Searching in files : find. Archiving : tar.
• Compress files : compress, gzip, bzip2, zip, …
• Other tools : patch, strings, uniq, comm, etc.