bash - Bash在循环中检测到错误，然后继续处理

我想处理文本文件中包含的Homebrew公式列表。如果出现安装错误（例如，已经安装，公式名称错误），我希望它写入错误，但继续进行处理。 Github project。

到目前为止，我有：

...
# process list of formulas that have been installed
for i in $(cat $FILE) ; do

    echo "Installing $i ..."

    # attempt to install formula; if error write error, process next formula

    brew install $i

done
...

我该怎么做呢？

最佳答案

有帮助吗？

...
# process list of formulas that have been installed
for i in $(< "$FILE") ; do

    echo "Installing $i ..."

    # attempt to install formula; if error write error, process next formula

    brew install "$i" || continue

done
...

请注意，如果公式中包含空格，则for循环将拆分该行。最好写：

...
# process list of formulas that have been installed
while read i ;  do

    # Jump blank lines
    test -z "$i" && continue

    echo "Installing $i ..."

    # attempt to install formula; if error write error, process next formula

    brew install "$i" || continue

done < "$FILE"
...

关于bash - Bash在循环中检测到错误，然后继续处理，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/26679500/