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programming/shell_scripting/string.sh at master · hacktoberfest17/programming · GitHub
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#
0 corr. to true
#
1 corr. to false
#
String Checks
str1=
"
Hey You!
"
str2=
"
Whats Up?
"
str3=
"
"
[
"
$str1
"
=
"
$str2
"
]
echo
$?
[
"
$str1
"
!=
"
$str2
"
]
echo
$?
#
to check if string is not null
[
-n
"
$str1
"
]
echo
$?
#
to check if string is null
[
-z
"
$str3
"
]
echo
$?
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