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Updated SC2126 (markdown)

koalaman
2016-10-01 11:59:32 -07:00
parent 7e137f4199
commit baf4eab8cc
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SC2126.md

@@ -25,6 +25,8 @@ then
fi fi
``` ```
Also note that in `foo | grep bar | wc -l`, wc will mask the exit code of grep by default (i.e. without `set -o pipefail`), and always return success. If replacing with `foo | grep -c bar`, grep will exit non-zero when the count is 0. This is convenient for conditional statements but may require handling when used with `set -e`.
### Exceptions ### Exceptions
If you e.g. want to count characters instead of lines, and you actually care about the number and not just whether it's greater than 0. If you e.g. want to count characters instead of lines, and you actually care about the number and not just whether it's greater than 0, you can [[ignore]] this error.