Tagged Questions
12
votes
4answers
430 views
difference between function foo() {} and foo() {}
I can define bash functions using or omitting the function keyword. Is there any difference?
#!/bin/bash
function foo() {
echo "foo"
}
bar() {
echo "bar"
}
foo
bar
Both calls to functions ...
1
vote
1answer
127 views
What is difference between POSIX and bash and other shell scripts?
While going through many answers on Unix.SE, I come across many of them writing their contents w.r.t to Posix or Bash or some other standard. I know of some differences like some have arrays and some ...
5
votes
2answers
165 views
What is difference between [ and [[ in BASH? [duplicate]
Possible Duplicate:
using single or double bracket - bash
When should I use a single bracket? [
When should I use double brackets? [[
Are both POSIX compliant?
5
votes
4answers
354 views
Is there a difference between these two commands?
cat a > b
and
cp a b
If they are functionally the same for all intents and purposes, which one is faster?
0
votes
1answer
296 views
POSIX and Bash, sh shorthand, for compound if statement
I prefer to do my sh commands in shorthand, And I prefer to be in POSIX. Truthfully, if the script can run on Dash, that is good enough. Which means using the test command [, not the extended [[.
I ...
