samcre

# Optimize PNG files with pngcrush
find . -type f -iname "*.png" -exec pngcrush -ow {} \;

# Optimize JPG & JPEG files with ImageMagick following this recommendations: https://dev.to/feldroy/til-strategies-for-compressing-jpg-files-with-imagemagick-5fn9
find . -type f -iname "*.jpg" -exec convert {} -sampling-factor 4:2:0 -strip -quality 85 -interlace Plane -gaussian-blur 0.05 -colorspace RGB {} \;
find . -type f -iname "*.jpeg" -exec convert {} -sampling-factor 4:2:0 -strip -quality 85 -interlace Plane -gaussian-blur 0.05 -colorspace RGB {} \;

# Optimize SVG images using SVGO
find . -type f -iname "*.svg" -exec svgo -i {} \;

samcre

SOURCE

1. Simple way: for loop

If you want to process just the files under A/, then a simple for loop should be enough:

for file in A/*.dat; do ./a.out < "$file" > "${file%.dat}.ans"; done

samcre

#!/usr/bin/env bash
#shellcheck disable=SC2116

TILLER_NS=$( kubectl get pods --all-namespaces --selector name=tiller --output custom-columns=:.metadata.namespace | grep -v ^$ )
export TILLER_NS

for ns in $( echo "$TILLER_NS" )
do
  helm ls --tiller-namespace "$ns" \
  | cut -f1 \

samcre

# Source: https://serverfault.com/questions/228170/export-and-import-a-postgresql-database-with-a-different-name

pg_dump --no-owner --no-acl blah > blah.psql

psql blah_devel < blah.psql > /dev/null

samcre

module "eks" {
  source = "terraform-aws-modules/eks/aws"

  cluster_name = "${var.cluster_name}"
  subnets      = "${module.vpc.private_subnets}"
  vpc_id       = "${module.vpc.vpc_id}"
}

samcre

module "vpc" {
  source = "terraform-aws-modules/vpc/aws"

  name = "${var.vpc_name}"
  cidr = "${var.vpc_cidr}"

  azs             = "${var.azs}"
  private_subnets = "${var.priv_subnets_cidrs}"
  public_subnets  = "${var.pub_subnets_cidrs}"

samcre

#!/usr/bin/env bash
set -euo pipefail
IFS=$'\n\t'

samcre

---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
 name: deployer-binding
 namespace: ${NAMESPACE}
subjects:
 - kind: Group
   name: deploys
   namespace: ${NAMESPACE}

samcre

grep -E -v "^\s*(#|$)" ${FILENAME}

samcre

git branch -m old_branch new_branch         # Rename branch locally    
git push origin :old_branch                 # Delete the old branch
git branch --unset-upstream new_branch      # Unset the tracking info, so it doesn't push with the old name
git push --set-upstream origin new_branch   # Push the new branch, set local branch to track the new remote