From 2b7a2ba55ea5ae832a79a5902365020b4a36467d Mon Sep 17 00:00:00 2001
From: Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com>
Date: Sun, 3 Nov 2019 22:42:04 +0100
Subject: Add bash sheet

---
 bash.md | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 bash.md

(limited to 'bash.md')

diff --git a/bash.md b/bash.md
new file mode 100644
index 0000000..c8b2004
--- /dev/null
+++ b/bash.md
@@ -0,0 +1,23 @@
+# Bash scripting
+
+## String manipulation
+
+Remove shortest from end
+
+    ${VAR%substr}
+    # e.g.
+    ${FILEPATH%.*}.out   # change extension from whatever to .out
+
+Remove longest from start
+
+    ${VAR#substr}
+    # e.g.
+    ${FILEPATH##*/}      # get only file name portion
+
+%% - longst from end, # - shortest from start
+
+## Control flow
+
+Loop over files
+
+    for file in glob/*; do something $file; done
-- 
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