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Description

Variables that are declared but not used for anything should be removed. #### Problematic code: bash foo=42 echo "$FOO" #### Preferred code: bash foo=42 echo "$foo" #### Exceptions: This warning may be falsely emitted when a variable is referenced indirectly, or it is intentionally not used. * Indirection: …

Occurrences

There is 1 occurrence of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2034/occurrences/

Description

Consider using the $(...) notation instead. Backtick command substitution \...`is legacy syntax with several issues. * It has a series of undefined behaviors related to quoting in POSIX. * It imposes a custom escaping mode with surprising results. * It's exceptionally hard to nest.$(...)` command substitution has none …

Occurrences

There are 109 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2006/occurrences/

Description

Problematic code: bash name=World echo 'Hello $name' #### Preferred code: bash name=World echo "Hello $name" If you want to use the values of variables and such, use double quotes instead. Note that if you have other items that needs single quoting, you can use both in a …

Occurrences

There is 1 occurrence of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2016/occurrences/

Description

Problematic code: sh echo $1 for i in $*; do :; done # this one and the next one also apply to expanding arrays. for i in $@; do :; done ## Correct code: ```sh echo "$1" for i in "$@"; do :; done # or, 'for i; …

Occurrences

There are 115 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2086/occurrences/

Description

It is recommended to use ./ or -- glob so names with dashes won't become options. #### Problematic code: bash rm * #### Preferred code: bash rm ./* # or rm -- * Since files and arguments are strings passed the same way, programs can't properly determine which …

Occurrences

There are 4 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2035/occurrences/

Description

According to POSIX: > The expr utility has a rather difficult syntax [...] In many cases, the arithmetic and string features provided as part of the shell command language are easier to use than their equivalents in expr. Newly written scripts should avoid expr in favor of the new features …

Occurrences

There are 28 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2003/occurrences/

Description

Problematic code: bash ls -l | grep " $USER " | grep '\.txt$' NUMGZ="$(ls -l *.gz | wc -l)" #### Preferred code: bash find . -maxdepth 1 -name '*.txt' -user "$USER" # Using the names of the files gz_files=(*.gz) numgz=${#gz_files[@]} # Sometimes, you just need a count …

Occurrences

There is 1 occurrence of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2012/occurrences/

Description

According to POSIX: > The expr utility has a rather difficult syntax [...] In many cases, the arithmetic and string features provided as part of the shell command language are easier to use than their equivalents in expr. Newly written scripts should avoid expr in favor of the new features …

Occurrences

There are 28 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2003/occurrences/

Description

Problematic code: bash ls -l | grep " $USER " | grep '\.txt$' NUMGZ="$(ls -l *.gz | wc -l)" #### Preferred code: bash find . -maxdepth 1 -name '*.txt' -user "$USER" # Using the names of the files gz_files=(*.gz) numgz=${#gz_files[@]} # Sometimes, you just need a count …

Occurrences

There is 1 occurrence of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2012/occurrences/

Description

When command expansions are unquoted, word splitting and globbing will occur. This can result unintended behaviour filenames contain spaces. Trying to fix it by adding quotes or escapes to the data will not work. Instead, quote the command substitution itself. If the command substitution outputs multiple pieces of data, it …

Occurrences

There are 9 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2046/occurrences/

Description

Problematic code: bash printf "Hello, $NAME\n" #### Preferred code: bash printf "Hello, %s\n" "$NAME" printf interprets escape sequences and format specifiers in the format string. If variables are included, any escape sequences or format specifiers in the data will be interpreted too, where you might have wanted …

Occurrences

There are 12 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2059/occurrences/

Description

Problematic code: bash printf "Hello, $NAME\n" #### Preferred code: bash printf "Hello, %s\n" "$NAME" printf interprets escape sequences and format specifiers in the format string. If variables are included, any escape sequences or format specifiers in the data will be interpreted too, where you might have wanted …

Occurrences

There are 12 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2059/occurrences/

Description

Problematic code: sh echo $1 for i in $*; do :; done # this one and the next one also apply to expanding arrays. for i in $@; do :; done ## Correct code: ```sh echo "$1" for i in "$@"; do :; done # or, 'for i; …

Occurrences

There are 115 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2086/occurrences/

Description

It is recommended to use ./ or -- glob so names with dashes won't become options. #### Problematic code: bash rm * #### Preferred code: bash rm ./* # or rm -- * Since files and arguments are strings passed the same way, programs can't properly determine which …

Occurrences

There are 4 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2035/occurrences/

Description

Problematic code: bash name=World echo 'Hello $name' #### Preferred code: bash name=World echo "Hello $name" If you want to use the values of variables and such, use double quotes instead. Note that if you have other items that needs single quoting, you can use both in a …

Occurrences

There is 1 occurrence of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2016/occurrences/

Description

When command expansions are unquoted, word splitting and globbing will occur. This can result unintended behaviour filenames contain spaces. Trying to fix it by adding quotes or escapes to the data will not work. Instead, quote the command substitution itself. If the command substitution outputs multiple pieces of data, it …

Occurrences

There are 9 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2046/occurrences/

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Description

Variables that are declared but not used for anything should be removed. #### Problematic code: bash foo=42 echo "$FOO" #### Preferred code: bash foo=42 echo "$foo" #### Exceptions: This warning may be falsely emitted when a variable is referenced indirectly, or it is intentionally not used. * Indirection: …

Occurrences

There is 1 occurrence of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2034/occurrences/

Description

Consider using the $(...) notation instead. Backtick command substitution \...`is legacy syntax with several issues. * It has a series of undefined behaviors related to quoting in POSIX. * It imposes a custom escaping mode with surprising results. * It's exceptionally hard to nest.$(...)` command substitution has none …

Occurrences

There are 109 occurrences of this issue in the repository.

See all occurrences on DeepSource → deepsource.io/gh/BAN-AI-Multics/ban-telnet/issue/SH-2006/occurrences/