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bible: Fix read stripping leading & trailing IFS whitespace. Closes #8

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Dylan Araps 2019-09-28 19:48:19 +03:00
parent bb10d3173c
commit 9e0981752f
1 changed files with 3 additions and 3 deletions
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6
README.md
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@ -410,7 +410,7 @@ Alternative to the `head` command.
```sh
head() {
# Usage: head "n" "file"
while read -r line; do
while IFS= read -r line; do
printf '%s\n' "$line"
i=$((i+1))
[ "$i" = "$1" ] && return
@ -458,7 +458,7 @@ lines() {
# 'read' exits with '1' when it sees EOL and
# without the added test, the line isn't sent
# to the loop.
while read -r line || [ -n "$line" ]; do
while IFS= read -r line || [ -n "$line" ]; do
lines=$((lines+1))
done < "$1"
@ -647,7 +647,7 @@ done
## Loop over the contents of a file
```shell
while read -r line || [ -n "$line" ]; do
while IFS= read -r line || [ -n "$line" ]; do
printf '%s\n' "$line"
done < "file"
```