chars

chars

Determine the end-of-line format, tabs, bom, and nul characters

Download

Binaries for Windows, MacOS, Linux and FreeBSD are provided on the releases page.

Usage

chars v1.2.0
Determine the end-of-line format, tabs, bom, and nul
https://github.com/jftuga/chars

Usage:
chars [file-glob 1] [file-glob 2] ...
  -b    examine binary files
  -e string
        exclude based on regular expression; use .* instead of *
  -l int
        shorten files names to a maximum of the length

Notes:
Also try: chars *  -or-  chars */*  -or-  chars */*/*

Example 1

• Run chars with no additional cmd-line switches
• • Only report files in the current directory
• • Report text files only since -b is not used

PS C:\chars> .\chars.exe *

+-----------------+------+------+------+--------+------+-------+
|    FILENAME     | CRLF |  LF  | TAB  |  NUL   | BOM8 | BOM16 |
+-----------------+------+------+------+--------+------+-------+
| .gitignore      |    0 |   16 |    0 |      0 |    0 |     0 |
| .goreleaser.yml |    0 |   59 |    0 |      0 |    0 |     0 |
| LICENSE         |    0 |   21 |    0 |      0 |    0 |     0 |
| README.md       |    0 |   23 |    0 |      0 |    0 |     0 |
| cmd.go          |    0 |  148 |  148 |      0 |    0 |     0 |
| go.mod          |    0 |    7 |    0 |      0 |    0 |     0 |
| go.sum          |    0 |    4 |    0 |      0 |    0 |     0 |
| testfile1       |   19 |   19 |    0 |      0 |    0 |     0 |
| testfile2       |    0 |   21 |    0 |   2269 |    0 |     1 |
+-----------------+------+------+------+--------+------+-------+

Example 2

• Run chars with -e and -l cmd-line switches
• • Only report files starting with p in the C:\Windows\System32 directory
• • Exclude all files matching perf.*dat
• • Shorten filenames to a maximum length of 32

PS C:\chars> .\chars.exe -e perf.*dat -l 32 C:\Windows\System32\p*

+----------------------------------+------+------+-----+------+------+-------+
|             FILENAME             | CRLF |  LF  | TAB | NUL  | BOM8 | BOM16 |
+----------------------------------+------+------+-----+------+------+-------+
| C:\Windows\System32\pcl.sep      |   11 |   11 |   0 |    0 |    0 |     0 |
| C:\Windows\System32\perfmon.msc  | 1933 | 1933 |   0 |    0 |    0 |     0 |
| C:\Windows\Sys...tmanagement.msc | 1945 | 1945 |   0 |    0 |    0 |     0 |
| C:\Windows\System32\pscript.sep  |    2 |    2 |   0 |    0 |    0 |     0 |
| C:\Windows\Sys...eryprovider.mof |    0 |   61 |   0 | 2073 |    0 |     1 |
+----------------------------------+------+------+-----+------+------+-------+

Wikipedia

• Newline - CRLF vs LF
• Tab key
• Null character
• Byte order mark - BOM-8 vs BOM-16

Acknowledgments

• ellipsis - Go module to insert an ellipsis into the middle of a long string to shorten it
• tablewriter - ASCII table in golang