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The first form isn't quite right in all cases. printf '%s\n' "$var1" will more reliably emit the content faithfully and correctly than echo "$var1" will.

Charles Duffy
– Charles Duffy

2015-11-08 16:41:23 +00:00
Commented Nov 8, 2015 at 16:41
@CharlesDuffy: Can you give an example?

choroba
– choroba

2015-11-08 16:42:51 +00:00
Commented Nov 8, 2015 at 16:42
Sure: var1=-n (in many versions; the POSIX spec makes this behavior implementation-defined). And if you're following the POSIX spec for echo, then any string with a literal backslash likewise results in implementation-defined output.

Charles Duffy
– Charles Duffy

2015-11-08 16:43:48 +00:00
Commented Nov 8, 2015 at 16:43

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like so
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```
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