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- obsolete
- the [[scripting:nonportable | portability page]] for a discussion on portability issues. This first t... any legitimate uses. These features exist mostly for Bourne, csh, or some other backward compatibility... ''>FILE 2>&1'' |This redirection syntax is short for ''>FILE 2>&1'' and originates in the C Shell. The... rage it. It conflicts with the list operator used for [[syntax:keywords:coproc | coprocess]] creation i
- positional-parameters
- t was called. Option-switch parsing (e.g. ''-h'' for displaying help) is not performed at this point. ... lso [[dict:terms:parameter | the dictionary entry for "parameter"]]. ===== The first argument ===== ... /bin/testscript </code> However, this isn't true for login shells: <code> > echo "$0" -bash </code> I... ily influence it (the ''login'' program does that for login shells, by prefixing a dash, for example).
- quoting
- troduce strong-quoting (see below) * characters for pattern matching * tilde expansion * pathname... ATIVE: It's also possible to mix-and-match quotes for readability: echo "Here's my test" </code> ====... vertical tab | | ''\cx'' | a control-x character, for example, ''%%$'\cZ'%%'' to print the control sequ... upbugs.net/view.php?id=249#c590 | specification]] for it was accepted for SUS issue 7. There are still
- redirection
- terminal** here. Check your preferred UNIX(r)-FAQ for details, I'm too lazy to explain what a terminal ... ay help cat <<EOF Sorry... No help available yet for $PROGRAM. Hehe... EOF </code> As you see, substi... of the here-documents. The word ''WORD'' is taken for the input redirection: <code> cat <<< "Hello wor... s ''stderr'' away from the terminal to the target for ''stdout'': **the terminal** (again...) * ''1>/
- check-script
- https://github.com/pahaz/bashtest|bashtest]] tool for testing your scripts. https://wiki.bash-hackers.... ==== Create testsuit ==== Then make test suits for **stat.sh**. We make a directory **testsuit** whi... Lets write tests. We just write a shell command for testing our work. Create file **tests.bashtest**
- flac2mp3
- # # flac2mp3.sh Version2 ########## #!/bin/bash for FILE in *.flac; do ffmpeg -i "$FILE" -ab 320k