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hpr0531 :: bash loops

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Hosted by Ken Fallon on 2010-03-24 is flagged as Explicit and is released under a CC-BY-NC-SA license.
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Part of the series: Bash Scripting

This is an open series in which Hacker Public Radio Listeners can share their Bash scripting knowledge and experience with the community. General programming topics and Bash commands are explored along with some tutorials for the complete novice.

user@pc:~$ for number in 1 2 3
> do
> echo my number is $number
> done
my number is 1
my number is 2
my number is 3

user@pc:~$ for number in 1 2 3 ; do echo my number is $number; done
my number is 1
my number is 2
my number is 3

user@pc:~$ cat x.txt|while read line;do echo $line;done
one-long-line-with-no-spaces
one ling line with spaces

user@pc:~$ for line in `cat x.txt`;do echo $line;done
one<-long-line-with-no-spaces
one
ling
line
with
spaces

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