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#command

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Diego Córdoba 🇦🇷

Buenos días #fediverso!!! Tengan un excelente miércoles!! ⚡

Como es ya costumbre, vamos con una nueva pregunta de examen sobre Linux! 🐧

Una fácil, para amenizar el día 🙂

❓¿Qué comando puede utilizarse para obtener el número de líneas de un archivo?

Los leo! 👇 💬

· 14 people · Closed
#linux#gnu#aprender_linux
Replied in thread
JdeBP

@cks @ben

In contrast to : for comments which is an abuse of label syntax in command scripts, the REM command in Microsoft's/IBM's COMMAND and CMD is indeed exactly that, a bona fide command.

So it has the twist that REM /? is not actually a comment line. It's a request for the on-line help of the REM command.

It's more special cased in #TakeCommand than in #CMD, interestingly, in that redirections are not parsed.

jpsoft.com/help/rem.htm

learn.microsoft.com/en-gb/wind

#4DOS#4OS2#4NT
Replied in thread
JdeBP

@ben

What if you invent a file format that has comments but isn't human readable?

Like the old sendmail.cf files.

The evidence suggests that the reverse happens and everyone else spends well over a decade in the penalty box. (-:

The fun ones are where the comments are mere side effects of throwing away all lines that don't parse properly.

Like how invalid : labels became a way to do comments in scripts for Microsoft's COMMAND/CMD.

#Sendmail#COMMAND#CMD
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