Results for “file”
Small, practical examples. Search by task or narrow things down below.
Check an extension without case sensitivity
C#: Use an explicit ordinal case-insensitive comparison for a known filename suffix.
C#✓ Tested
Check an external process exit status explicitly
PowerShell: LASTEXITCODE reports a native child exit code independently of ordinary PowerShell cmdlet errors.
PowerShell✓ Tested
Check available disk space
Show total, used, and available filesystem space for the current directory in human-readable units.
disk✓ Tested
Check for a hashtable key before reading it
PowerShell: ContainsKey distinguishes a missing key from a key whose value happens to be null.
PowerShell✓ Tested
Check out another branch in a second working tree
Git: A linked worktree shares repository objects while maintaining a separate checked-out branch.
Git✓ Tested
Check that an image has layer history
Docker / Compose: history shows the instructions associated with image layers.
Docker / Compose✓ Tested
Check the integrity of a gzip stream
Linux Commands: Use gzip -t to verify a compressed file without extracting it.
Linux Commands✓ Tested
Check what kind of Git object a revision names
Git: cat-file -t distinguishes a commit, tree, blob, or annotated tag.
Git✓ Tested
Check whether a command can be resolved
PowerShell: Get-Command with a local error override supports an expected missing-command lookup.
PowerShell✓ Tested
Check whether a floating-point value is finite
Check whether a floating-point value is finite in a complete Rust program using the standard library.
Rust✓ Tested
Check whether bytes contain valid JSON
Check whether bytes contain valid JSON using a complete Go program with explicit sample inputs.
Go✓ Tested
Check whether text is valid JSON
Reject malformed input before processing it.
json_valid✓ Tested