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https://github.com/koalaman/shellcheck/issues/3113

kkmuffme
2025-01-13 02:19:01 +01:00
parent bafdc6fd42
commit 7cdb5fd5e2
1 changed files with 3 additions and 3 deletions
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6
SC2013.md

@@ -12,7 +12,7 @@ done
### Correct code: ### Correct code:
```sh ```sh
grep -v '^ *#' < file | while IFS= read -r line grep -v '^ *#' file | while IFS= read -r line
do do
echo "Line: $line" echo "Line: $line"
done done
@@ -24,14 +24,14 @@ or without a subshell (bash, zsh, ksh):
while IFS= read -r line while IFS= read -r line
do do
echo "Line: $line" echo "Line: $line"
done < <(grep -v '^ *#' < file) done < <(grep -v '^ *#' file)
``` ```
or without a subshell, with a pipe (more portable, but write a file on the filesystem): or without a subshell, with a pipe (more portable, but write a file on the filesystem):
```sh ```sh
mkfifo mypipe mkfifo mypipe
grep -v '^ *#' < file > mypipe & grep -v '^ *#' file > mypipe &
while IFS= read -r line while IFS= read -r line
do do
echo "Line: $line" echo "Line: $line"