Drezil/Bash-Oneliner
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add variable

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remove first leading zero
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onceupon 2018-04-12 14:05:49 +08:00 committed by GitHub
parent 99b7c30807
commit 394ef7c772
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1 changed files with 6 additions and 2 deletions
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@ -838,14 +838,18 @@ var="some string"
echo ${#var} echo ${#var}
# 11 # 11
``` ```
##### replacement (e.g. remove the first leading 0 )
```bash
${var[@]#0}
```
##### replacement (e.g. replace 'a' with ',') ##### replacement (e.g. replace 'a' with ',')
```bash ```bash
{i/a/,} {var/a/,}
``` ```
##### replace all (e.g. replace all 'a' with ',') ##### replace all (e.g. replace all 'a' with ',')
```bash ```bash
{i//a/,} {var//a/,}
``` ```
```bash ```bash
#with grep #with grep