From: Tyler Spivey <tspivey8@home.com>
To: speakup@braille.uwo.ca
Subject: re: for command
Date: Sun, 23 Dec 2001 14:24:26 -0800 [thread overview]
Message-ID: <20011223222426.RRXR7324.femail13.sdc1.sfba.home.com@tspivey8> (raw)
an example: to tail all the files in the current directory,
you can do tail *, also:
for i in *; do tail $i;done
you can do (in bash):
help for
and it gives you:
for: for NAME [in WORDS ... ;] do COMMANDS; done
The `for' loop executes a sequence of commands for each member in a
list of items. If `in WORDS ...;' is not present, then `in "$@"' is
assumed. For each element in WORDS, NAME is set to that element, and
the COMMANDS are executed.
so,
for i in *.txt;do cat "testing" >>$i;done
would append "Testing" to the files in the current directory ending with .txt.
hope this helps.
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Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
Tyler Spivey [this message]
` Saqib Shaikh
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