andrashann · September 17, 2025 08:29 · Sep 17, 2025 · Feb 16, 2024 · Jan 11, 2023 · Jan 11, 2023
diff --git a/cl.sh b/cl.sh
@@ -60,13 +60,16 @@ ffmpeg -i input.mp4 -ss 00:29:21 -t 00:02:26 -async 1 -c copy output.mp4
 ffmpeg -i input.mov -c:v libx264 -c:a aac -strict experimental output.mp4
 
 
-# YOUTUBE-DL
+# YOUTUBE-DL (n.b. yt-dlp is a better fork)
 
 # Download with subtitles
-youtube-dl url -o output.mp4 --write-sub
+yt-dlp url -o output.mp4 --write-sub
 
 # Download audio only from
-youtube-dl -f 'bestaudio[ext=m4a]' 'http://youtu.be/videoid'
+yt-dlp -f 'bestaudio[ext=m4a]' 'http://youtu.be/videoid'
+
+# Use cookies from browser (e.g. to be logged in)
+yt-dlp "http://youtu.be/videoid" --cookies-from-browser Chrome
 
 
 # GHOSTSCRIPT

diff --git a/cl.sh b/cl.sh
@@ -93,6 +93,14 @@ for file in *.mp3; do mp3info -p "%S\n" "$file"; done | paste -sd+ - | sed 's+\(
 for file in *.mp3; do mp3info -p "%S\n" "$file"; done | paste -sd+ - | bc | dc -e '?1~r60~r60~r[[0]P]szn[:]ndZ2>zn[:]ndZ2>zn[[.]n]sad0=ap'
 
 
+# FLUIDSYNTH
+
+# Convert a folder of midis to wav using a soundfont
+for filename in ./*.mid; do
+    fluidsynth -F "$(basename "$filename" .mid).wav" soundfont.sf2 "$filename"
+done
+
+
 # ZIP
 
 # remove mac-related files from zip archives

diff --git a/cl.sh b/cl.sh
@@ -44,9 +44,10 @@ exiftool "-createdate<filename" "-datetimeoriginal<filename" -overwrite_original
 # Shift all timestamps of pictures
 exiftool -AllDates-=1:10 -filemodifydate-=1:10 -P -overwrite_original *.jpg
 
-# Get back original file number (e.g. IMG_007.jpg from the FileNumber exif field and use as filename
+# Retrieve original file number (e.g. IMG_007.jpg from the FileNumber exif field and use as filename
 exiftool '-filename<$FileNumber.%e' *.jpg
 
+
 # FFMPEG 
 
 # Combine image files as video

diff --git a/cl.sh b/cl.sh
@@ -18,6 +18,11 @@
 #  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
 #  DEALINGS IN THE SOFTWARE.
 
+# RENAME
+
+# Replace a string in all file names in a folder
+rename 's/old/new/' * 
+
 
 # EXIFTOOL
 
@@ -36,6 +41,11 @@ exiftool '-DateTimeOriginal>FileModifyDate' foo.jpg
 # Modify EXIF creation date to match filename for files in this folder
 exiftool "-createdate<filename" "-datetimeoriginal<filename" -overwrite_original_in_place ./
 
+# Shift all timestamps of pictures
+exiftool -AllDates-=1:10 -filemodifydate-=1:10 -P -overwrite_original *.jpg
+
+# Get back original file number (e.g. IMG_007.jpg from the FileNumber exif field and use as filename
+exiftool '-filename<$FileNumber.%e' *.jpg
 
 # FFMPEG 
 

diff --git a/cl.sh b/cl.sh
@@ -80,3 +80,9 @@ mp3info -p "%f: %m:%02s\n" *.mp3
 for file in *.mp3; do mp3info -p "%S\n" "$file"; done | paste -sd+ - | sed 's+\(.*\)+(\1)/60+' | bc
 # in hh:mm:ss format (https://stackoverflow.com/a/54541337) 
 for file in *.mp3; do mp3info -p "%S\n" "$file"; done | paste -sd+ - | bc | dc -e '?1~r60~r60~r[[0]P]szn[:]ndZ2>zn[:]ndZ2>zn[[.]n]sad0=ap'
+
+
+# ZIP
+
+# remove mac-related files from zip archives
+zip -d filename.zip __MACOSX/\* \*/.DS_Store
diff --git a/cl.sh b/cl.sh
@@ -77,4 +77,6 @@ mp3info -p "%f: %m:%02s\n" *.mp3
 
 # Print the total length of all mp3 files in a folder (in minutes)
 # (corrected version of https://superuser.com/a/947201)
- for file in *.mp3; do mp3info -p "%S\n" "$file"; done | paste -sd+ - | sed 's+\(.*\)+(\1)/60+' | bc
+for file in *.mp3; do mp3info -p "%S\n" "$file"; done | paste -sd+ - | sed 's+\(.*\)+(\1)/60+' | bc
+# in hh:mm:ss format (https://stackoverflow.com/a/54541337) 
+for file in *.mp3; do mp3info -p "%S\n" "$file"; done | paste -sd+ - | bc | dc -e '?1~r60~r60~r[[0]P]szn[:]ndZ2>zn[:]ndZ2>zn[[.]n]sad0=ap'
diff --git a/cl.sh b/cl.sh
@@ -74,3 +74,7 @@ java -jar mkgmap.jar --gmapsupp a.img b.img c.img typ.TYP
 
 # Print mp3 file names with track lengths of files in current folder
 mp3info -p "%f: %m:%02s\n" *.mp3
+
+# Print the total length of all mp3 files in a folder (in minutes)
+# (corrected version of https://superuser.com/a/947201)
+ for file in *.mp3; do mp3info -p "%S\n" "$file"; done | paste -sd+ - | sed 's+\(.*\)+(\1)/60+' | bc
diff --git a/cl.sh b/cl.sh
@@ -36,6 +36,7 @@ exiftool '-DateTimeOriginal>FileModifyDate' foo.jpg
 # Modify EXIF creation date to match filename for files in this folder
 exiftool "-createdate<filename" "-datetimeoriginal<filename" -overwrite_original_in_place ./
 
+
 # FFMPEG 
 
 # Combine image files as video
@@ -62,7 +63,14 @@ youtube-dl -f 'bestaudio[ext=m4a]' 'http://youtu.be/videoid'
 # Convert all text to curves in PDF
 gs -o file-with-outlines.pdf -dNoOutputFonts -sDEVICE=pdfwrite input-file.pdf
 
+
 # MKGMAP 
 
 # Combine multiple img files into one
 java -jar mkgmap.jar --gmapsupp a.img b.img c.img typ.TYP 
+
+
+# MP3INFO
+
+# Print mp3 file names with track lengths of files in current folder
+mp3info -p "%f: %m:%02s\n" *.mp3
diff --git a/cl.sh b/cl.sh
@@ -60,4 +60,9 @@ youtube-dl -f 'bestaudio[ext=m4a]' 'http://youtu.be/videoid'
 # GHOSTSCRIPT
 
 # Convert all text to curves in PDF
-gs -o file-with-outlines.pdf -dNoOutputFonts -sDEVICE=pdfwrite input-file.pdf
+gs -o file-with-outlines.pdf -dNoOutputFonts -sDEVICE=pdfwrite input-file.pdf
+
+# MKGMAP 
+
+# Combine multiple img files into one
+java -jar mkgmap.jar --gmapsupp a.img b.img c.img typ.TYP 
diff --git a/cl.sh b/cl.sh
@@ -33,6 +33,8 @@ exiftool -all= foo.jpg
 # Modify file modification/creation date to match EXIF data
 exiftool '-DateTimeOriginal>FileModifyDate' foo.jpg
 
+# Modify EXIF creation date to match filename for files in this folder
+exiftool "-createdate<filename" "-datetimeoriginal<filename" -overwrite_original_in_place ./
 
 # FFMPEG 
 

diff --git a/cl.sh b/cl.sh
@@ -42,6 +42,9 @@ cat *.jpg | ffmpeg -f image2pipe -r 24 -vcodec mjpeg -i - -vcodec libx264 out.mp
 # Trim video from -ss to length -t
 ffmpeg -i input.mp4 -ss 00:29:21 -t 00:02:26 -async 1 -c copy output.mp4 
 
+# convert .mov from fcpx into much smaller mp4
+ffmpeg -i input.mov -c:v libx264 -c:a aac -strict experimental output.mp4
+
 
 # YOUTUBE-DL
 

diff --git a/cl.sh b/cl.sh
@@ -30,6 +30,9 @@ exiftool -ext jpg -ext mp4 '-filename<CreateDate' -d '%Y-%m-%d %H.%M.%S%%-c.%%e'
 # Delete all EXIF information
 exiftool -all= foo.jpg
 
+# Modify file modification/creation date to match EXIF data
+exiftool '-DateTimeOriginal>FileModifyDate' foo.jpg
+
 
 # FFMPEG 
 

diff --git a/cl.sh b/cl.sh
@@ -1,3 +1,24 @@
+# Copyright 2019 A. H.
+
+#  Permission is hereby granted, free of charge, to any person obtaining a 
+#  copy of this software and associated documentation files (the "Software"), 
+#  to deal in the Software without restriction, including without limitation 
+#  the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+#  and/or sell copies of the Software, and to permit persons to whom the 
+#  Software is furnished to do so, subject to the following conditions:
+#
+#  The above copyright notice and this permission notice shall be included in 
+#  all copies or substantial portions of the Software.
+#
+#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
+#  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
+#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+#  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
+#  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
+#  DEALINGS IN THE SOFTWARE.
+
+
 # EXIFTOOL
 
 # Add coordinates to images in folder from gpx file

diff --git a/cl.sh b/cl.sh
@@ -0,0 +1,34 @@
+# EXIFTOOL
+
+# Add coordinates to images in folder from gpx file
+exiftool -P -overwrite_original -geotag=track.gpx /path/to/images
+
+# Name files according to EXIF date and timestamp
+exiftool -ext jpg -ext mp4 '-filename<CreateDate' -d '%Y-%m-%d %H.%M.%S%%-c.%%e' ../exiftool_test/
+
+# Delete all EXIF information
+exiftool -all= foo.jpg
+
+
+# FFMPEG 
+
+# Combine image files as video
+cat *.jpg | ffmpeg -f image2pipe -r 24 -vcodec mjpeg -i - -vcodec libx264 out.mp4
+
+# Trim video from -ss to length -t
+ffmpeg -i input.mp4 -ss 00:29:21 -t 00:02:26 -async 1 -c copy output.mp4 
+
+
+# YOUTUBE-DL
+
+# Download with subtitles
+youtube-dl url -o output.mp4 --write-sub
+
+# Download audio only from
+youtube-dl -f 'bestaudio[ext=m4a]' 'http://youtu.be/videoid'
+
+
+# GHOSTSCRIPT
+
+# Convert all text to curves in PDF
+gs -o file-with-outlines.pdf -dNoOutputFonts -sDEVICE=pdfwrite input-file.pdf