parameter-expansion

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How to understand "${PATH:+:${PATH}}" in bash?
user_1787320
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1
48
parameter-expansion bash
In bash, replace each character of a string with a fixed character ("blank out" a string)
user_9852920
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2
1
45
parameter-expansion shellcheck bash
Why does this parameter expansion replacement fail in bash 4.2 but work in 5.1?
user_15665250
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6
2
96
parameter-expansion glob bash
Why is ${1[@]} invalid, even though ${stringVar[@]} works otherwise?
user_164228680
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2
1
42
parameter-expansion bash
Nested double quotes in parameter expansion
user_4808940
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1
2
94
parameter-expansion bash
Parameter expansion with replacement, avoid additional variable
user_43967300
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1
2
99
parameter-expansion bash
How to replace a variable's comma-separated string with whitespaces?
user_160714280
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2
2
676
parameter-expansion sed environment-variables bash
Difference between ${v^^} and ${v@U}?
user_39384030
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3
2
76
parameter-expansion terminal bash
Remove domain from email using linux substring bash
user_144496410
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2
1
779
parameter-expansion email-address bash string
How to remember which expansion ${var%} ${var#} work from which end?
user_90727530
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7
5
203
parameter-expansion shell bash
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