read
cmd/read
Read and inspect file content
Overview
read reads and inspects text files.
Main modes:
- Plain read:
read <file> - Head/tail:
read top,read last - Search:
read pattern - Counters:
read count
Example usage:
read /var/log/system.log
read top /var/log/system.log --lines=20
read last /var/log/system.log --lines=50 --follow
read pattern error /var/log/system.log --ignorecase --numbers
read count /var/log/system.log
Usage
read <file> [--numbers]read top <file> [--lines=N]read last <file> [--lines=N] [--follow]read pattern <pattern> <file> [--ignorecase] [--numbers] [--count]read count <file>
Subcommands
| Name | Description |
|---|---|
top |
Show first N lines |
last |
Show last N lines |
pattern |
Search for pattern |
count |
Count lines/words/chars |
Flags
| Flag | Type | Description |
|---|---|---|
-numbers |
- |
Show line numbers |
Exit Codes
| Code | Meaning |
|---|---|
0 |
Success |
1 |
Runtime/command error |
2 |
Invalid flags/usage |