Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Identify how similar a file is to each file in a group of others.
#!/bin/bash
fileA="$1"
shift
for fileB in "$@"; do
(
# diff once grep twice with the help of tee and stderr
diff $fileA $fileB | \
tee >(grep -cE '^< ' >&2) | \
grep -cE '^> ' >&2
# recapture stderr
) 2>&1 | (
read -d '' diffA diffB;
printf "The files %s and %s have %s:%s diffs out of %s:%s lines.\n" \
$fileA $fileB $diffA $diffB $(wc -l < $fileA) $(wc -l < $fileB)
)
done | column -t
@RichardBronosky

This comment has been minimized.

Copy link
Owner Author

RichardBronosky commented Feb 8, 2019

$ similarities.sh terraform.tfvars ../*/terraform.tfvars
The  files  terraform.tfvars  and  ../api_proxy/terraform.tfvars                   have  3:3   diffs  out  of  51:51  lines.
The  files  terraform.tfvars  and  ../cf-ip-location-lookup/terraform.tfvars       have  4:12  diffs  out  of  51:59  lines.
The  files  terraform.tfvars  and  ../cf-region-cookie-setter/terraform.tfvars     have  4:8   diffs  out  of  51:55  lines.
The  files  terraform.tfvars  and  ../cf-switch-region-origin/terraform.tfvars     have  4:10  diffs  out  of  51:57  lines.
The  files  terraform.tfvars  and  ../reformat_devops_alerts/terraform.tfvars      have  0:0   diffs  out  of  51:51  lines.
The  files  terraform.tfvars  and  ../restart_location/terraform.tfvars            have  17:3  diffs  out  of  51:37  lines.
The  files  terraform.tfvars  and  ../warehouse-availability-etl/terraform.tfvars  have  3:3   diffs  out  of  51:51  lines.
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.