pyenv/libexec/rbenv-version-file-read
Joshua Peek 149e61a649 Don't exit out of piped loop
Can cause the stdin of cat to close too soon causing:

  echo: write error: Broken pipe

Fixes #97
2011-09-28 12:08:34 -05:00

24 lines
454 B
Bash
Executable file

#!/usr/bin/env bash
set -e
[ -n "$RBENV_DEBUG" ] && set -x
VERSION_FILE="$1"
if [ -e "$VERSION_FILE" ]; then
# Read and print the first non-whitespace word from the specified
# version file.
version=""
while read -a words; do
word="${words[0]}"
if [ -z "$version" ] && [ -n "$word" ]; then
version="$word"
fi
done < <( cat "$VERSION_FILE" && echo )
if [ -n "$version" ]; then
echo "$version"
exit
fi
fi
exit 1