tecfu · July 13, 2023 05:24
diff --git a/fzgrep b/fzgrep
 #!/bin/bash
 set -euo pipefail
 # go get github.com/junegunn/fzf

 BEFORE=10
 AFTER=10
 HEIGHT=$(expr $BEFORE + $AFTER + 3 )  # 2 lines for the preview box and 1 extra line fore the match

 PREVIEW="$@ 2>&1 | grep --color=always -B${BEFORE} -A${AFTER} -F -- {}"

 "$@" 2>&1 | fzf --height=$HEIGHT --reverse --preview="${PREVIEW}"
	#!/bin/bash
	set -euo pipefail
	# go get github.com/junegunn/fzf

	BEFORE=10
	AFTER=10
	HEIGHT=$(expr $BEFORE + $AFTER + 3 ) # 2 lines for the preview box and 1 extra line fore the match

	PREVIEW="$@ 2>&1 \| grep --color=always -B${BEFORE} -A${AFTER} -F -- {}"

	"$@" 2>&1 \| fzf --height=$HEIGHT --reverse --preview="${PREVIEW}"