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Results for “Bash Scripts”

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Bash ScriptsProcesses & environment

Set an environment value for one child command

Bash Scripts: A command-prefix assignment is visible to that command without overwriting the shell’s current variable.

Bash Scripts✓ Tested
Bash ScriptsText parsing & arithmetic

Set and clear a bit in a shell integer

Bash Scripts: Use shifts and bitwise operators for a small flag field.

Bash Scripts✓ Tested
Bash ScriptsArguments & decisions

Skip selected iterations in a loop

Bash Scripts: Continue starts the next iteration without running the remaining loop body.

Bash Scripts✓ Tested
Bash ScriptsText parsing & arithmetic

Split a record while retaining its remainder

Bash Scripts: The final read variable receives the remainder of a delimited record.

Bash Scripts✓ Tested
Bash ScriptsProcesses & environment

Stop a child process created by the script

Bash Scripts: Send a signal only to the captured PID of the script’s own child and wait for it to exit.

Bash Scripts✓ Tested
Bash ScriptsArguments & decisions

Stop a search loop at the first match

Bash Scripts: Break exits the current loop as soon as the desired item is found.

Bash Scripts✓ Tested
Bash ScriptsGetting Started

Store and iterate over an array

Bash Scripts: Store and iterate over an array with a small standalone Bash program.

Bash Scripts✓ Tested
Bash ScriptsGetting Started

Store text in a variable

Bash Scripts: Store text in a variable with a small standalone Bash program.

Bash Scripts✓ Tested
Bash ScriptsInput streams & redirection

Substitute values into a multiline template

Bash Scripts: An unquoted heredoc delimiter enables parameter expansion in the template.

Bash Scripts✓ Tested
Bash ScriptsGetting Started

Test a function’s success status

Bash Scripts: Test a function’s success status with a small standalone Bash program.

Bash Scripts✓ Tested
Bash ScriptsText parsing & arithmetic

Test numeric divisibility with a remainder

Bash Scripts: The modulo operator computes an integer remainder.

Bash Scripts✓ Tested
Bash ScriptsGetting Started

Use a fallback for an unset variable

Bash Scripts: Use a fallback for an unset variable with a small standalone Bash program.

Bash Scripts✓ Tested