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simplify

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kxxt 2022-09-26 21:56:08 +08:00
parent 43bcc71d07
commit 6135aff27c
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1 changed files with 1 additions and 4 deletions
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5
src/etc/cat-and-grep.sh
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@ -51,10 +51,7 @@ while getopts ':vieh' OPTION; do
esac
done
# an utility function to check if a string contains a substring
stringContain() { [ -z "$1" ] || { [ -z "${2##*$1*}" ] && [ -n "$2" ];};}
if ! stringContain 'E' "$GREPFLAGS"
if ! echo "$GREPFLAGS" | grep -q E
then
# use F flag if there is not an E flag
GREPFLAGS="F$GREPFLAGS"