Results for “fold”
Small, practical examples. Search by task or narrow things down below.
Pass filenames with spaces through xargs
Linux Commands: Use null delimiters end to end instead of splitting filenames on whitespace.
Linux Commands✓ Tested
Place missing values after known values portably
SQLite: A CASE sort key controls NULL placement without relying on engine-specific defaults.
SQLite✓ Tested
Preallocate a slice’s capacity
Preallocate a slice’s capacity using a complete Go program with explicit sample inputs.
Go✓ Tested
Prepend items while preserving existing array values
Bash Scripts: Construct a new array with the new values before the quoted original expansion.
Bash Scripts✓ Tested
Preserve a failure status while an EXIT trap runs
Bash Scripts: Capture the status immediately on entry to the trap before running cleanup commands.
Bash Scripts✓ Tested
Preserve a large JSON integer
Preserve a large JSON integer using a complete Go program with explicit sample inputs.
Go✓ Tested
Prevent a variable value from expanding as a filename pattern
Bash Scripts: Quote a variable to pass its literal contents even when matching filenames exist.
Bash Scripts✓ Tested
Prevent expansion with single quotes
Linux Commands: Prevent expansion with single quotes using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Print a collection for inspection
Print a collection for inspection in a complete Rust program using the standard library.
Rust✓ Tested
Print a first terminal message
Linux Commands: Print a first terminal message using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Print a selected range of lines
Linux Commands: Use sed -n with a line address to suppress other output.
Linux Commands✓ Tested
Print only duplicate values
Linux Commands: Use uniq -d after sorting to report each repeated value once.
Linux Commands✓ Tested